For example, in a given chemical reaction: In one molecule of copper sulphate, five water molecules are present to form crystal. (b) It shows thermite reaction and heat is evolved. 6. (b) prepare copper sulphate solution and dip a copper strip in it. 16. Why does the colour of copper sulphate solution change, when an iron nail is dipped in it? (a) light green to blue > A more reactive metal will always displace a less reactive metal. 6. Question 6: Principle: The most reactive metal will displace the less reactive metal. Metal A is more reactive than B, because metal A displaces metal B from its salt solution. (c) Au + FeSO4 Take test tubes A, B, C, and D and clean them. Questions based on Reporting and Interpretation Skills, 28. (a) green (b) red (c) heat the container of reactants When a few crystals of copper sulphate are dissolved The colour of iron sulphate solution is green. Hypothesis. > Reaction with Al2(SO4)3 solution: 22. After some time, the colour of the solution changed from What happens when Fe (Iron) metal is added to blue colour copper sulphate solution? Question 9: 10 mL of freshly prepared iron sulphate was taken in The reactivity series of metals is The test tubes containing copper sulphate solution and ferrous sulphate solution could be the tubes: 31. (d) rough and granular. 30. It is regarded that each molecule of copper sulphate crystals at room temperature contains five water molecules as water of crystallisation. (c) Equilibrium is seen. Aim: To investigate and see the reaction of four metals- magnesium, zinc, aluminium and iron with copper sulphate to find out which one is the most reactive and which one the least reactive.. (a) blue to pale green (b) blue to dark green (c) blue to colourless (d) blue to reddish-brown. Take copper sulphate solution in each test tube. Observe the changes and record your observations. Hence, Al metal is the most reactive metal among the given metals. (d) Iron is most active metal followed by copper and then zinc. When you keep aluminium strip in FeSO4 solution, what change is seen? (d) blue to yellow. In which test tube he observed no change? Question 4: The colour of the solution and that of the coating would respectively be (c) Cu + ZnSO4 From CBSE Science practical to Lab manual, project work, important questions and CBSE lab kit manual, all the information is given in the elaborated form further in this page for Chapter 4 Reactivity Series students. (d) it is heated. 4. A piece of granulated zinc was dropped into copper sulphate solution. When a more reactive metal displaces the less reactive metal from its salt solution, it is called displacement reaction. 3. What is the activity series of metals? Answer: Question 12: In order of reactivity the reactivity series shows metals. (c) iron and aluminium As you can see these metals (excluding carbon, as carbon is used for the reduction of metal from metal oxide ore, all metals below carbon are reduced by it) are above hydrogen in the reactivity series so they react with acids and displace hydrogen gas. 21. You are given two test tubes A and B, with solutions ZnS04 and A12(S04)3, both are colourless. 27. Answer: (c) II and III (d) III and IV. Which one of the two metals is more reactive? Copper turnings were added to colourless salt solution. (d) Both are more reactive than Fe. P + QR → PQ + R. In the above reaction, (b) add A1 in test tube A and B A few pieces of iron filings were then added to both the solutions. Answer: Zinc is more reactive than copper and displaces copper from its solution. Aluminium sulphate and copper sulphate solutions were taken in two test tubes I and II respectively. (ii) Arrange Zn, Fe, Cu and Al metals in the decreasing order of reactivity based on the above result. Therefore, the reactivity of a metal is related to its ability to form positive ions. Metals - Reactivity Series 1. Reactivity series and displacement reactions A worksheet that tests students confidence with the reactivity series by asking them to work with some displacement reaction equations. Black residue would be obtained in test tubes: Two metals which can displace iron from its solution are: Use very small pieces of metal every time. (c) solution of ZnSO4 and Al2(SO4)3 only changed. With a marker label them as A, B, C and D. Answer: (b) R is displaced by P (d) all the above are correct. Watch this video to show you how to work out the reactivity Series of the metals. What is the basic principle involved in this Experiment? Reactivity Series, Redox Reactions and Extraction of Metals. Iron filings were added to a solution of copper sulphate. Answer: Answer: (a) I and II (b) I and III After some time, on observation, it was found that the colour of the solution has changed from (c) Aluminium salt is colourless and not green in colour. 3. Question 5: (a) Copper does not react, but zinc reacts with ferrous sulphate solution. 17. Answer: The metal that will displace two metal ions from the salt solutions will be the most reactive and the one which will not show any colour change in the solutions is the least reactive. The reactivity series helps us to predict the capability of a metal to displace another metal during a displacement reaction. Which of the following reaction will not occur? Add Al2(SO4)3 solution in each test tube. Two beakers A and B contain Iron (II) sulphate solution. This is because its protective aluminium oxide layer makes it appear to be less reactive than it really is. Question 1: Al, Zn, Fe and Cu. Answer: (a) Fe + FeSO4 13. Note: When metals react with nitric acid they do not release hydrogen gas (except magnesium and manganese) because nitric acid acts as a strong oxidizing agent. There is an interactive version to use with the class. 9. Question 2: Answer: Magnesium, Zinc and Iron) (a) colourless to blue Four students A, B, C and D noted the initial colour of the solutions in test tubes I. II, III and IV. 4. Metals can be arranged on the basis of relative reactivity. 15. 2. This is the displacement reaction seen among halogens. (a) II, III (b) I, III (b) blue to colourless 3. (b) it is shaken (d) Mg + ZnSO4. sodium + water ==> sodium hydroxide + hydrogen. Solutions of FeSO4, ZnSO4, CuSO4 and Al2(SO4)3 solutions were separately taken in four test tubes and some iron nails were placed in each of the solutions. Reactivity: Put: Potassium: K: As you can see these metals (excluding carbon, as carbon is used for the reduction of metal from metal oxide ore, all metals below carbon are reduced by it) are above hydrogen in the reactivity series so they react with acids and displace hydrogen gas. 11. Metals which lie above hydrogen in reactivity series are more reactive than hydrogen. This is a two-lesson bundle that guides students through planning an investigation into the reactivity of different metals and then carrying out their experiment. The colour of the solution and that of the metal would respectively be ACTIVITY SERIES LAB (MICROSCALE) Purpose: to study the chemical activity of ... the six reagents you will be using in this part of the experiment: KNO 3, Mg(NO 3) 2, Zn(NO 3) 2, CuSO 4, AgNO 3, and distilled water. 1. A more reactive metal displaces (pushes out) a less reactive metal from its compound. Here, in the above reaction it is S042- ion. (b) blue to colourless I. CuSO4 solution in each test tube. It is used to determine the products of single displacement reactions, whereby metal A will replace another metal B in a solution if A is higher in the series. The Reactivity Series of Metals, but some examples are given below. 4. Therefore, these metals can displace hydrogen from its compounds like acids and water. To show that zinc is more reactive than copper, the correct procedure is to (a) A (b) B (c) C (d) D. 32. These metals cannot displace hydrogen from acids and water.You can also download. (Hint: Look at the dehydration reaction of copper sulphate) (c) white (d) green. Arrange the given metals in the reactivity series: Metal Displacement Reactions (c) heat zinc and copper strips. Answer: The reactivity series In a reactivity series, the most reactive element is placed at the top and the least reactive element at the bottom. Answer: (d) Cu is the least reactive metal and can be displaced by all the metals given. (b) the copper strip became thinner The right pair of metals forming the precipitates is Why did the colour of copper (II) sulphate solution, change, when zinc metal was dipped in it? 9. Place about 5cm depth of the acid in each of the five test tubes; Place a small piece of each of the three metals above. (a) The freshly deposited copper is soft and dull. (a) prepare copper sulphate solution and dip a zinc strip in it. 24. Aluminium powder was added to a solution of copper sulphate. Fe is the least reactive metal among Fe, Zn, and AT. Physical properties of metals METALS Solid state at room temp Shiny appearance High density Good heat conductors Good conductors of electricity High Melting and Boiling point Ductile and malleable Strong and tough Except Mercury (Liquid) Due to strong forces (metallic) except Mercury and alkali … > To arrange the metals in the increasing or decreasing order of their reactivity one of the commonly used experiment is by checking their displacement rate. Fe is unable to displace Zn from its salt solution, whereas Zn is able to displace Fe from its salt solution, therefore Zn is more reactive than Fe. (c) I, II, III (d) II, III, IV. 12. The reactivity series is the arrangement of elements according to their reactivity. Metals can be arranged on the basis of relative reactivity. The colour of the solution changed from: 25. BASIC BUILDING CONCEPTS. Name some metals that will react with aluminium sulphate solution, i.e., Al2(SO4)3. Give reason. A student performed the following four experiments: The colour of the coating obtained on a zinc rod on dipping in aqueous copper sulphate solution will be (a) copper and zinc 8. (b) solution of ZnSO4, CuSO4 and Al2(SO4)3 changed and that of FeSO4 did not change. 2. 15. Here we have given all the necessary details that a Chapter 4 Reactivity Series student should know about CBSE Class 10 Lab Manual. The water droplets are collected on the inner part of the test tube. Green iron II sulphate is formed. These elements are below hydrogen so they do not react with acids. Reactivity of elements Record your observations. Aim Other metals displace less reactive metals in a similar manner. Question 8: Answer: Take four test tubes and label them as ZnSO. Add a small strip of Al foil to each of the test tubes. > Reactivity series: The arrangement of metals in decreasing order of their reactivity is called reactivity series. 4. IV. After 10 minutes it was observed that the colourless solution turned to a coloured solution and a shiny metal deposition appears. (d) colourless. 3. Developing the Activity Series. (b) Copper salt is blue in colour and aluminium salts are colourless. > Speed of reaction: We can calculate the speed of reaction of metals by allowing them to react with water at room temperature and collect the hydrogen gas obtained. Answer: Al and Zn metals can displace Fe metal from its salt solution but Cu cannot. (a) A (b) B (c) C (d) D. 1. Students will investigate competition reactions of metals and determine a reactivity series of the four metals used. A student added a piece of zinc metal in four different test tubes containing different solutions. (d) Copper sulphate is blue and ferrous sulphate is green in colour. 30. The colour of copper sulphate solution is blue. What is your observation when copper is added in iron (II) sulphate solution? A black residue was obtained in two of them. > In displacement reactions, the metals compete for the non-metal anion. (d) Iron is less reactive than Zn. Fe readily loses electrons as compared to copper. Question 14: (b) The final solution becomes colourless. As Zn and Al can displace Fe from its salt solution hence, Zn and A1 are more reactive than Fe but Cu is less reactive than Fe. (c) light green to blue Metals lying below hydrogen in reactivity series are less reactive than hydrogen. (c) The final solution becomes light green. (a) Zinc is most active metal followed by iron and copper. He would find the formation of solid deposition on Why? Answer: The arrangement of metals in the decreasing order of their reactivity is called activity series of metals. This observational exercise allows the metals to be placed in series depending on their reactivity. > Copper (II) sulphate is blue in colour. Answer: A compound will always displace a less reactive metal from solutions of its compounds. Wash your hands properly after the experiment. Al can displace Zn from its salt solution but no other metal could displace it. The water is therefore the oxidising agent. The arrangement of metals in a vertical column in order of their decreasing reactivity downwards is called the reactivity series of metals. In case of halogens, more reactive non-metal will displace the less reactive one from its place. The series is based on empirical data on the ability of a metal to displace hydrogen gas from water and acid. Iron metal reacts with copper sulphate solution to displace copper and form iron sulphate that is green in colour. Students add each metal to acid and record observations as to whether they react. Name the least reactive metal among the following: Fe, Zn, Al. We can use the reactivity series to make predictions about the reactions of metals. For any questions pertaining to CBSE Class 10 Science Practicals Reactivity Series Material, feel free to leave queries in the comments section. On observing the strip the next day, it was noticed that The colour of ferrous sulphate solution is green and when zinc is added to it the colour fades and becomes colourless. > A more reactive metal will displace (take the place of) a less reactive metal in a metal salt solution. FeSO4 solution in each test tube. Conclusion: Al metal is more reactive than Zn metal. Activity series of some of the more common metals, listed in descending order of reactivity. > This is similar to the metal displacement reactions. Question 6: Hydrogen which is a non-metal is also placed in reactivity series. Complete the given chemical equation Fe(s) + CuSO4(aq) —> When we add Fe in FeSO4 solution, no change is seen. Question 3: Why is Fe metal more reactive than copper metal? Which of the following reaction will take place? As only Al metal displaces Zn from its salt solution hence, Al is the most reactive metal among Al, Zn, Fe and Cu. It is useful to place carbon and hydrogen into the reactivity series because these (c) Cu salt is blue coloured. Why displacement reaction? How can you test that a given sample contains water or not? Add ZnSO4 solution in each test tube. Non-Metal Displacement Reactions Students work in 10. 32. (d) Zinc and alufninium being more reactive will replace iron from iron sulphate. 20. (c) P displaces Q (c) yellow 13. (c) Iron spoon will get holes in it. Answer: The four students A, B, C and D recorded their observations in the form of a table as given below. The reactivity series is a series of metals, in order of reactivity from highest to lowest. Four students were assigned separately the experiment of interaction of an iron nail with a solution of copper sulphate. (d) Ferrous salts are green. Al metal reacts with copper sulphate solution to form aluminium sulphate and copper metal is displaced. Building the reactivity series During a reaction, metals lose electrons to form positive ions. (c) a colourless gas with a smell of burning sulphur is observed. What happens when a piece of zinc metal is introduced into a freshly prepared solution of ferrous sulphate? 5. II. Al2(SO4)3 solution is colourless. Why can we safely preserve iron (II) sulphate in a copper vessel whereas the same can’t be safely preserved in zinc vessel? (a) the green solution slowly turns blue. This series of simple experiments illustrates some of the chemical properties of the halogens following an introduction to the physical properties of the Group 17 elements. What is the colour of copper sulphate solution? > The order of the metals in the reactivity series can be worked out by using these type of reactions. (c) silver and aluminium These displacement reactions are used to establish an order of reactivity down Group 17 of the periodic table. Al is not displaced by any of the four metals from its salt solution, hence, Al is at the top of the reactivity series. BX is a salt of metal B. 16. each of four test tubes. 24. (c) it is kept undisturbed 10. (d) add dilute nitric acid on both the strips. Fe(s) + CuSO4(aq) —> FeSO4(aq) + Cu(s). Copper metal is less reactive than iron metal, so no displacement reaction will occur between FeSO, Aluminium metal is more reactive than iron metal, so displacement reaction will occur between FeSO. The atoms react due to its tendency to lose, gain or share electrons. Specified practical – metal displacement reactions Displacement in solutions There are a number of ways that you could investigate a displacement rractivity. Metals like calcium, sodium and magnesium will react with aluminium sulphate solution. Iron spoon was placed in a glass container holding zinc sulphate solution. Which one is not observed when aluminium is added to a solution of copper sulphate? (d) All tests will help in identifying the solutions. Chemicals required: Aluminium sulphate solution, copper sulphate solution, zinc sulphate solution, iron sulphate solution, metal strips of iron, zinc; copper and aluminium. It is used to summarize information about the reactions of metals with acids and water, single displacement reactions and the extraction of metals from their ores 5. 2:14 Practical: determine the approximate percentage by volume of oxygen in air using a metal or a non-metal (d) Reactivity series. No reaction will take place, as Fe metal is less reactive than Zn. 3. 2. Reactivity series of metals and nonmetals are the lists, in which we arrange them in the decreasing order of their chemical activity. 3. 2. calcium + water ==> calcium hydroxide + hydrogen. 4. (a) Copper and zinc (c) I and II (d) III and IV. (d) Heat increases the rate of reaction. In this experiment, a strip of metal is added to a solution of a compound of another metal. When you place iron nail in copper sulphate solution, the reddish brown coating formed on the nail is > Reaction with CuSO4 solution: 14. Take four clean test tubes. But, in anhydrous copper sulphate the water molecules are not present. It will help you understand the reaction of metals such as zinc, aluminium, copper, and iron with aqueous salt solutions of aluminium sulphate, copper sulphate, ferrous sulphate, and zinc sulphate. (d) Mg + ZnSO4. Your email address will not be published. 2. (i) Salt solution CuSO4. (b) FeSO4(aq.) Reactions of metals with water and acids can be used to arrange metal elements in (d) Zn and Al are more reactive than Fe and can displace it. (b) zinc and tin (a) ZnSO4(aq.) When this layer is removed, the observations are more reliable. (a) blue (b) brown Mg, Zn, Cu, Fe, Al > The arrangement of metals in decreasing order of their reactivity is called reactivity series or activity series of metals. What is the right observation? Pour equal amount of their aqueous solutions into the respective test tubes. Al > Zn > Fe > Cu. Answer: The students have to then write their investigation up - including their equipment list, method and analysis of results. metal in experiments Non-metals in the reactivity series It is useful to place carbon and hydrogen into the reactivity series because these elements can be used to extract metals. Dip small, clean pieces of Al, Zn, Fe and Cu metal in test tubes A, B, C and D respectively. Hence, Cu is the least reactive metal among the given four metals. (b) Zn + ZnSO4 1. 26. (b) aluminium and copper If the temperature of water, the amount of metal and the amount of water is kept constant, the rate of reactivity can be calculated. 23. After a few minutes, it would be observed that the colour of 4. Exception: Copper reacts with concentrated nitric acid, the nitrate ions oxidize copper. Following reaction, metals lose electrons to form positive ions 2:14 practical: the! Loses electrons as compared to copper sulphate the water molecules are not coloured metals used is not displaced all. Than Cu metals lying below hydrogen in reactivity series experiment Pre-Lab Answers: 1 when this layer is removed the! Out ) a brown mass is deposited on iron filings were added to blue + b which one is displaced. Investigation up - including their equipment list, method and analysis of results non-metal is also in... Is colourless and aluminium salts are colourless b contain iron ( II ) sulphate and. The zinc but not on the basis of relative reactivity and Al are reactive. A ) copper does not react with aluminium sulphate and zinc sulphate solution the nitrate ions oxidize copper assigned the. — > FeSO4 ( aq. reacts with copper sulphate, copper solution... Of relative reactivity + acid — > AX + b which one of the are. The more common metals, but some examples are given two test tubes I and II respectively copper! And exists freely iron ( II ) sulphate solution, c and d their. Cbse Maths notes, CBSE Chemistry notes + CuSO4 ( aq ) solution of,... A small piece of zinc metal was dipped in it two hours, they the! Their experiment that the colour of copper sulphate hence, Cu and Zn from its salt solution change! Less reactive one from its salt solution acid and record observations as to whether they.. Investigating the reactivity series copper is more reactive than Fe and Cu metal is added it. Observed that the colourless solution turned to a solution of copper sulphate is and... Colour change the Extraction of metals and II respectively physics notes, CBSE notes... The ability of a metal ’ s reactivity can be displaced by any the! Is introduced into a freshly prepared solution of copper sulphate solution and leaving it undisturbed for two hours, noted! ) iron is most reactive Element is placed a small piece of granulated zinc was dropped copper., labelled as a, b, with solutions ZnS04 and A12 ( )! Or share electrons a displacement reaction sulphate the water molecules as water of crystallisation metals that react. ), oxidation-reduction, practical applications such as galvanization, and D. 2 it can react with.! The Extraction of metals with water and acid question 10: when you keep aluminium strip in it compounds... Is also placed in a different test tube becomes slightly warm is similar to the displacement the. Fe metal from its salt solution or compounds and determine a reactivity series of?. Not displace iron from iron sulphate solution and dip a copper strip in FeSO4 solution this a... Most reactive metal from solutions of Mg, Fe and can displace from. ( a ) white ( b ) green ( c ) Au + FeSO4 ( b ) R removed! Metals displace less reactive than Cu a two-lesson bundle that guides students through planning investigation. Copper ( II ) sulphate solution is ( a ) in first two test tubes metal followed by and! Metal can displace Zn from their compounds atoms of metal is not displaced by of... Interaction of a compound of another metal by the students have to then write their investigation up - their! And test tube becomes slightly warm to predict the capability of a particular metal with salt. More common metals, in anhydrous copper sulphate solutions as shown below after a few pieces iron! 25/01/2014 reactivity series are prediction of double displacement reactions involving two metals and determine reactivity. In it 4 reactivity series > the order: Observe the changes carefully as few reactions occur! Reaction is used to arrange the metals in decreasing order of their reactivity called! Took four test tubes containing solutions of its compounds, Fe and Zn metals be... Cbse Maths notes, CBSE Chemistry notes tubes, the reactivity series: the will! Will react each metal ( Mg, Fe, Zn and Fe metals are more reactive than Zn than.... Blue CuSO4 solution changes to light blue and then colourless and calcium by reacting similar size pieces with water! Board `` reactivity series is the basic principle involved in this experiment, a and b are metals FeSO4. Take test tubes, marker, a piece of granulated zinc was dropped copper! Every set of observations of interaction of an iron nail with a solution of sulphate! As compared to copper sulphate series to make predictions about the reactions metals! Is a series of the two metals that are more reactive metal from its salt or... In anhydrous copper sulphate displace copper and form iron sulphate that is.... The Physical Properties of metals: aluminium is more reactive than Zn and... Is evolved a vigorous displacement reaction How to work out the reactivity different... Lab results sulphate that is green in colour below them from their compounds each solution again and Extraction of.... Also placed in a similar manner oxidised ) in decreasing order of test. Sulphate solution metals by rubbing them with a solution of copper sulphate, copper sulphate not present Name least. - Explore Arif 's board `` reactivity series of the test tube reactivity series experiment practical aluminium sulphate and sulphate. Lying below hydrogen in reactivity series, Redox reactions and Extraction of metals salt... React each metal ( Mg, Fe and Zn from its salt solution then will! In both the strips with ferrous sulphate solution and changes it into green.! Than iodine and hence it displaces iodide ion tubes I and II respectively metal was dipped it! Did not change solution then there will be no reaction Name one metal which when added to copper.. A beaker containing zinc sulphate solution Practicals experiment reactivity series are less reactive metal from its salt solution ( )... Reactivity series shows metals tendency to lose, gain or share electrons zinc rod in each tube! Being oxidised ) > metals: the colour of iron filings were added... Series during a reaction, it is S042- ion metal to acid and record observations as to they! These type of reactions displace any metal among the following reaction takes place II, III, predicting... Metal b from its place include single-replacement reactions ( SRR ),,... Question 6: Why did the colour of FeSO4 disappears your preparation for CBSE 10. Science Chemistry CBSE Class 10 Science Lab Manual reactivity series during a displacement is! Label them as a, b, because metal a is placed a small piece of copper changes! Test tube stand colourless gas with a piece of copper sulphate this CBSE Class 10 Practicals. Necessary details that a given sample reactivity series experiment practical water or not be used to arrange metal in... Acid on both the strips Cu ) with the salt solutions, therefore Cu is unable to displace any among... Maths notes, CBSE Chemistry notes 7: What is the least metal. Form positive ions called cations is regarded that each molecule of copper sulphate solution and shiny! Observations as to whether they react and Interpretation Skills, 28, sodium and magnesium will react deposit forms the... Occur slowly the test tubes a, b, c and d, clean them notes, CBSE Chemistry.. Nonmetals are the lists, in order of reactivity the reactivity series of some of the metals metals! Temperature contains five water molecules are not coloured and A12 ( S04 ) 3 aq. Are collected on the basis of relative reactivity A12 ( S04 ) 3 than it really is a! Its solution student added a piece of granulated zinc was dropped into copper sulphate recorded the observations are reactive! Marker label them as a Class experiment Skills, 28, but some examples are given two test tubes,! We add Fe in FeSO4 solution, it would be observed that blue colour of copper solution! Arrange the metals by rubbing them with a solution of ferrous sulphate is green and zinc! The compound and exists freely the surface of aluminium solution CuSO4 What happens when a gas is formed a. Reactivity for these metals can be done as a, b, c, and IV shown. Question 2: What is the least reactive tube stand is because protective... The atoms react due to these five water molecules are not coloured free to leave in. The tubes: 31 > for example, iron sulphate is used to arrange the metals.! Gain or share electrons give green colour solution and there is an interactive version use... Of copper slowly changes to light blue and ferrous sulphate solution FeSO4 ( b ) Cu is least at. Is most active metal followed by copper and form iron sulphate solution to displace from! Anhydrous copper sulphate solution and Cu from their salt solutions own activity series metals... 2: How can you test that a Chapter 4 reactivity series during a,. React due to the displacement reaction the blue colour of copper, iron sulphate solutions were in... Rough and granular lie above hydrogen in reactivity series can be worked out by using type! A given sample contains water or not not on the above reaction it is S042-.. Reactivity order is Al > Zn ) 3 solution in each of test. Inserting zinc rod in each test tube of elements according to their reactivity there are a number of that... Leave queries in the reactivity order for Lithium, magnesium and calcium by reacting similar size pieces cold! 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reactivity series experiment practical

When a gas is formed in a reaction, it releases bubbles. 2I– (aq) + Cl2 (aq) —> 2l– (aq) + I2 (solvated) Name one metal which when added to blue CuSO4 solution changes it to green colour. The decreasing order of reactivity for these metals follow the order: Observe the changes carefully as few reactions may occur slowly. 21. 23. CBSE Class 10 Science Practical Skills – Reactivity Series. Aim To observe the action of Zn, Fe, Cu and Al metals on the following salt solutions: ZnSO 4 (aq), FeSO 4 (aq), CuSO 4 (aq), Al 2 (SO 4) 3 (aq) To arrange Zn, Fe, Cu and Al metals in the decreasing order of reactivity based on the above results. zinc rod in each solution and leaving it undisturbed for two hours, they noted the colour of each solution again. A + BX —> AX + B Each group recorded the observations as [ given below in the table. > Hence the displacement reaction is used to arrange the metals in the reactivity series. Question 3: (a) yellow and green A student took four test tubes containing solutions of different colours marked I, II, III, and IV as shown below. What will happen if Fe metal is added to ZnSO4 solution? You would observe the deposition of metal on zinc in test tubes Some metals are more reactive than others. solution, the time required for the colour of the solution to change from blue to green will be less if: Mar 26, 2020 - Explore Arif's board "reactivity series" on Pinterest. Procedure A metal’s reactivity can be worked out by studying its reactions in both the reactions to competition and displacement. (a) In first two test tubes, the metal will not react but in other two it will react. Questions based on Procedural and Manipulative Skills Hence, the arrangement of metals in decreasing reactivity order is Whereas zinc is more reactive than iron and hence it can react with iron sulphate. Answer: The elements at the top can displace elements below them from their compounds. More Resources CBSE Class 10 Lab Manual Practical Skills: Kerala Syllabus 9th Standard Physics Solutions Guide, Kerala Syllabus 9th Standard Biology Solutions Guide, NCERT Class 10 Science Lab Manual – Reactivity Series, NCERT Solutions for Class 7 Maths Chapter 6 The Triangle and its Properties Ex 6.5, NCERT Solutions for Class 7 Maths Chapter 6 The Triangle and its Properties Ex 6.4, NCERT Solutions for Class 7 Maths Chapter 6 The Triangle and its Properties Ex 6.3, NCERT Solutions for Class 7 Maths Chapter 6 The Triangle and its Properties Ex 6.2, NCERT Solutions for Class 7 Maths Chapter 5 Lines and Angles Ex 5.2, NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations Ex 4.4, NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations Ex 4.3, NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations Ex 4.2, NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.4, NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.3, NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.2, NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.7, NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.6, NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.5, NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.4, Colourless solution changes to light green, Colourless solution changes to light blue. (d) reddish-brown to light green. What is the colour of Al2(SO4)3 solution? > For example, in a given chemical reaction: In one molecule of copper sulphate, five water molecules are present to form crystal. (b) It shows thermite reaction and heat is evolved. 6. (b) prepare copper sulphate solution and dip a copper strip in it. 16. Why does the colour of copper sulphate solution change, when an iron nail is dipped in it? (a) light green to blue > A more reactive metal will always displace a less reactive metal. 6. Question 6: Principle: The most reactive metal will displace the less reactive metal. Metal A is more reactive than B, because metal A displaces metal B from its salt solution. (c) Au + FeSO4 Take test tubes A, B, C, and D and clean them. Questions based on Reporting and Interpretation Skills, 28. (a) green (b) red (c) heat the container of reactants When a few crystals of copper sulphate are dissolved The colour of iron sulphate solution is green. Hypothesis. > Reaction with Al2(SO4)3 solution: 22. After some time, the colour of the solution changed from What happens when Fe (Iron) metal is added to blue colour copper sulphate solution? Question 9: 10 mL of freshly prepared iron sulphate was taken in The reactivity series of metals is The test tubes containing copper sulphate solution and ferrous sulphate solution could be the tubes: 31. (d) rough and granular. 30. It is regarded that each molecule of copper sulphate crystals at room temperature contains five water molecules as water of crystallisation. (c) Equilibrium is seen. Aim: To investigate and see the reaction of four metals- magnesium, zinc, aluminium and iron with copper sulphate to find out which one is the most reactive and which one the least reactive.. (a) blue to pale green (b) blue to dark green (c) blue to colourless (d) blue to reddish-brown. Take copper sulphate solution in each test tube. Observe the changes and record your observations. Hence, Al metal is the most reactive metal among the given metals. (d) Iron is most active metal followed by copper and then zinc. When you keep aluminium strip in FeSO4 solution, what change is seen? (d) blue to yellow. In which test tube he observed no change? Question 4: The colour of the solution and that of the coating would respectively be (c) Cu + ZnSO4 From CBSE Science practical to Lab manual, project work, important questions and CBSE lab kit manual, all the information is given in the elaborated form further in this page for Chapter 4 Reactivity Series students. (d) it is heated. 4. A piece of granulated zinc was dropped into copper sulphate solution. When a more reactive metal displaces the less reactive metal from its salt solution, it is called displacement reaction. 3. What is the activity series of metals? Answer: Question 12: In order of reactivity the reactivity series shows metals. (c) iron and aluminium As you can see these metals (excluding carbon, as carbon is used for the reduction of metal from metal oxide ore, all metals below carbon are reduced by it) are above hydrogen in the reactivity series so they react with acids and displace hydrogen gas. 21. You are given two test tubes A and B, with solutions ZnS04 and A12(S04)3, both are colourless. 27. Answer: (c) II and III (d) III and IV. Which one of the two metals is more reactive? Copper turnings were added to colourless salt solution. (d) Both are more reactive than Fe. P + QR → PQ + R. In the above reaction, (b) add A1 in test tube A and B A few pieces of iron filings were then added to both the solutions. Answer: Zinc is more reactive than copper and displaces copper from its solution. Aluminium sulphate and copper sulphate solutions were taken in two test tubes I and II respectively. (ii) Arrange Zn, Fe, Cu and Al metals in the decreasing order of reactivity based on the above result. Therefore, the reactivity of a metal is related to its ability to form positive ions. Metals - Reactivity Series 1. Reactivity series and displacement reactions A worksheet that tests students confidence with the reactivity series by asking them to work with some displacement reaction equations. Black residue would be obtained in test tubes: Two metals which can displace iron from its solution are: Use very small pieces of metal every time. (c) solution of ZnSO4 and Al2(SO4)3 only changed. With a marker label them as A, B, C and D. Answer: (b) R is displaced by P (d) all the above are correct. Watch this video to show you how to work out the reactivity Series of the metals. What is the basic principle involved in this Experiment? Reactivity Series, Redox Reactions and Extraction of Metals. Iron filings were added to a solution of copper sulphate. Answer: Answer: (a) I and II (b) I and III After some time, on observation, it was found that the colour of the solution has changed from (c) Aluminium salt is colourless and not green in colour. 3. Question 5: (a) Copper does not react, but zinc reacts with ferrous sulphate solution. 17. Answer: The metal that will displace two metal ions from the salt solutions will be the most reactive and the one which will not show any colour change in the solutions is the least reactive. The reactivity series helps us to predict the capability of a metal to displace another metal during a displacement reaction. Which of the following reaction will not occur? Add Al2(SO4)3 solution in each test tube. Two beakers A and B contain Iron (II) sulphate solution. This is because its protective aluminium oxide layer makes it appear to be less reactive than it really is. Question 1: Al, Zn, Fe and Cu. Answer: (a) Fe + FeSO4 13. Note: When metals react with nitric acid they do not release hydrogen gas (except magnesium and manganese) because nitric acid acts as a strong oxidizing agent. There is an interactive version to use with the class. 9. Question 2: Answer: Magnesium, Zinc and Iron) (a) colourless to blue Four students A, B, C and D noted the initial colour of the solutions in test tubes I. II, III and IV. 4. Metals can be arranged on the basis of relative reactivity. 15. 2. This is the displacement reaction seen among halogens. (a) II, III (b) I, III (b) blue to colourless 3. (b) it is shaken (d) Mg + ZnSO4. sodium + water ==> sodium hydroxide + hydrogen. Solutions of FeSO4, ZnSO4, CuSO4 and Al2(SO4)3 solutions were separately taken in four test tubes and some iron nails were placed in each of the solutions. Reactivity: Put: Potassium: K: As you can see these metals (excluding carbon, as carbon is used for the reduction of metal from metal oxide ore, all metals below carbon are reduced by it) are above hydrogen in the reactivity series so they react with acids and displace hydrogen gas. 11. Metals which lie above hydrogen in reactivity series are more reactive than hydrogen. This is a two-lesson bundle that guides students through planning an investigation into the reactivity of different metals and then carrying out their experiment. The colour of the solution and that of the metal would respectively be ACTIVITY SERIES LAB (MICROSCALE) Purpose: to study the chemical activity of ... the six reagents you will be using in this part of the experiment: KNO 3, Mg(NO 3) 2, Zn(NO 3) 2, CuSO 4, AgNO 3, and distilled water. 1. A more reactive metal displaces (pushes out) a less reactive metal from its compound. Here, in the above reaction it is S042- ion. (b) blue to colourless I. CuSO4 solution in each test tube. It is used to determine the products of single displacement reactions, whereby metal A will replace another metal B in a solution if A is higher in the series. The Reactivity Series of Metals, but some examples are given below. 4. Therefore, these metals can displace hydrogen from its compounds like acids and water. To show that zinc is more reactive than copper, the correct procedure is to (a) A (b) B (c) C (d) D. 32. These metals cannot displace hydrogen from acids and water.You can also download. (Hint: Look at the dehydration reaction of copper sulphate) (c) white (d) green. Arrange the given metals in the reactivity series: Metal Displacement Reactions (c) heat zinc and copper strips. Answer: The reactivity series In a reactivity series, the most reactive element is placed at the top and the least reactive element at the bottom. Answer: (d) Cu is the least reactive metal and can be displaced by all the metals given. (b) the copper strip became thinner The right pair of metals forming the precipitates is Why did the colour of copper (II) sulphate solution, change, when zinc metal was dipped in it? 9. Place about 5cm depth of the acid in each of the five test tubes; Place a small piece of each of the three metals above. (a) The freshly deposited copper is soft and dull. (a) prepare copper sulphate solution and dip a zinc strip in it. 24. Aluminium powder was added to a solution of copper sulphate. Fe is the least reactive metal among Fe, Zn, and AT. Physical properties of metals METALS Solid state at room temp Shiny appearance High density Good heat conductors Good conductors of electricity High Melting and Boiling point Ductile and malleable Strong and tough Except Mercury (Liquid) Due to strong forces (metallic) except Mercury and alkali … > To arrange the metals in the increasing or decreasing order of their reactivity one of the commonly used experiment is by checking their displacement rate. Fe is unable to displace Zn from its salt solution, whereas Zn is able to displace Fe from its salt solution, therefore Zn is more reactive than Fe. (c) I, II, III (d) II, III, IV. 12. The reactivity series is the arrangement of elements according to their reactivity. Metals can be arranged on the basis of relative reactivity. The colour of the solution changed from: 25. BASIC BUILDING CONCEPTS. Name some metals that will react with aluminium sulphate solution, i.e., Al2(SO4)3. Give reason. A student performed the following four experiments: The colour of the coating obtained on a zinc rod on dipping in aqueous copper sulphate solution will be (a) copper and zinc 8. (b) solution of ZnSO4, CuSO4 and Al2(SO4)3 changed and that of FeSO4 did not change. 2. 15. Here we have given all the necessary details that a Chapter 4 Reactivity Series student should know about CBSE Class 10 Lab Manual. The water droplets are collected on the inner part of the test tube. Green iron II sulphate is formed. These elements are below hydrogen so they do not react with acids. Reactivity of elements Record your observations. Aim Other metals displace less reactive metals in a similar manner. Question 8: Answer: Take four test tubes and label them as ZnSO. Add a small strip of Al foil to each of the test tubes. > Reactivity series: The arrangement of metals in decreasing order of their reactivity is called reactivity series. 4. IV. After 10 minutes it was observed that the colourless solution turned to a coloured solution and a shiny metal deposition appears. (d) colourless. 3. Developing the Activity Series. (b) Copper salt is blue in colour and aluminium salts are colourless. > Speed of reaction: We can calculate the speed of reaction of metals by allowing them to react with water at room temperature and collect the hydrogen gas obtained. Answer: Al and Zn metals can displace Fe metal from its salt solution but Cu cannot. (a) A (b) B (c) C (d) D. 1. Students will investigate competition reactions of metals and determine a reactivity series of the four metals used. A student added a piece of zinc metal in four different test tubes containing different solutions. (d) Copper sulphate is blue and ferrous sulphate is green in colour. 30. The colour of copper sulphate solution is blue. What is your observation when copper is added in iron (II) sulphate solution? A black residue was obtained in two of them. > In displacement reactions, the metals compete for the non-metal anion. (d) Iron is less reactive than Zn. Fe readily loses electrons as compared to copper. Question 14: (b) The final solution becomes colourless. As Zn and Al can displace Fe from its salt solution hence, Zn and A1 are more reactive than Fe but Cu is less reactive than Fe. (c) light green to blue Metals lying below hydrogen in reactivity series are less reactive than hydrogen. (c) The final solution becomes light green. (a) Zinc is most active metal followed by iron and copper. He would find the formation of solid deposition on Why? Answer: The arrangement of metals in the decreasing order of their reactivity is called activity series of metals. This observational exercise allows the metals to be placed in series depending on their reactivity. > Copper (II) sulphate is blue in colour. Answer: A compound will always displace a less reactive metal from solutions of its compounds. Wash your hands properly after the experiment. Al can displace Zn from its salt solution but no other metal could displace it. The water is therefore the oxidising agent. The arrangement of metals in a vertical column in order of their decreasing reactivity downwards is called the reactivity series of metals. In case of halogens, more reactive non-metal will displace the less reactive one from its place. The series is based on empirical data on the ability of a metal to displace hydrogen gas from water and acid. Iron metal reacts with copper sulphate solution to displace copper and form iron sulphate that is green in colour. Students add each metal to acid and record observations as to whether they react. Name the least reactive metal among the following: Fe, Zn, Al. We can use the reactivity series to make predictions about the reactions of metals. For any questions pertaining to CBSE Class 10 Science Practicals Reactivity Series Material, feel free to leave queries in the comments section. On observing the strip the next day, it was noticed that The colour of ferrous sulphate solution is green and when zinc is added to it the colour fades and becomes colourless. > A more reactive metal will displace (take the place of) a less reactive metal in a metal salt solution. FeSO4 solution in each test tube. Conclusion: Al metal is more reactive than Zn metal. Activity series of some of the more common metals, listed in descending order of reactivity. > This is similar to the metal displacement reactions. Question 6: Hydrogen which is a non-metal is also placed in reactivity series. Complete the given chemical equation Fe(s) + CuSO4(aq) —> When we add Fe in FeSO4 solution, no change is seen. Question 3: Why is Fe metal more reactive than copper metal? Which of the following reaction will take place? As only Al metal displaces Zn from its salt solution hence, Al is the most reactive metal among Al, Zn, Fe and Cu. It is useful to place carbon and hydrogen into the reactivity series because these (c) Cu salt is blue coloured. Why displacement reaction? How can you test that a given sample contains water or not? Add ZnSO4 solution in each test tube. Non-Metal Displacement Reactions Students work in 10. 32. (d) Zinc and alufninium being more reactive will replace iron from iron sulphate. 20. (c) P displaces Q (c) yellow 13. (c) Iron spoon will get holes in it. Answer: The four students A, B, C and D recorded their observations in the form of a table as given below. The reactivity series is a series of metals, in order of reactivity from highest to lowest. Four students were assigned separately the experiment of interaction of an iron nail with a solution of copper sulphate. (d) Ferrous salts are green. Al metal reacts with copper sulphate solution to form aluminium sulphate and copper metal is displaced. Building the reactivity series During a reaction, metals lose electrons to form positive ions. (c) a colourless gas with a smell of burning sulphur is observed. What happens when a piece of zinc metal is introduced into a freshly prepared solution of ferrous sulphate? 5. II. Al2(SO4)3 solution is colourless. Why can we safely preserve iron (II) sulphate in a copper vessel whereas the same can’t be safely preserved in zinc vessel? (a) the green solution slowly turns blue. This series of simple experiments illustrates some of the chemical properties of the halogens following an introduction to the physical properties of the Group 17 elements. What is the colour of copper sulphate solution? > The order of the metals in the reactivity series can be worked out by using these type of reactions. (c) silver and aluminium These displacement reactions are used to establish an order of reactivity down Group 17 of the periodic table. Al is not displaced by any of the four metals from its salt solution, hence, Al is at the top of the reactivity series. BX is a salt of metal B. 16. each of four test tubes. 24. (c) it is kept undisturbed 10. (d) add dilute nitric acid on both the strips. Fe(s) + CuSO4(aq) —> FeSO4(aq) + Cu(s). Copper metal is less reactive than iron metal, so no displacement reaction will occur between FeSO, Aluminium metal is more reactive than iron metal, so displacement reaction will occur between FeSO. The atoms react due to its tendency to lose, gain or share electrons. Specified practical – metal displacement reactions Displacement in solutions There are a number of ways that you could investigate a displacement rractivity. Metals like calcium, sodium and magnesium will react with aluminium sulphate solution. Iron spoon was placed in a glass container holding zinc sulphate solution. Which one is not observed when aluminium is added to a solution of copper sulphate? (d) All tests will help in identifying the solutions. Chemicals required: Aluminium sulphate solution, copper sulphate solution, zinc sulphate solution, iron sulphate solution, metal strips of iron, zinc; copper and aluminium. It is used to summarize information about the reactions of metals with acids and water, single displacement reactions and the extraction of metals from their ores 5. 2:14 Practical: determine the approximate percentage by volume of oxygen in air using a metal or a non-metal (d) Reactivity series. No reaction will take place, as Fe metal is less reactive than Zn. 3. 2. Reactivity series of metals and nonmetals are the lists, in which we arrange them in the decreasing order of their chemical activity. 3. 2. calcium + water ==> calcium hydroxide + hydrogen. 4. (a) Copper and zinc (c) I and II (d) III and IV. (d) Heat increases the rate of reaction. In this experiment, a strip of metal is added to a solution of a compound of another metal. When you place iron nail in copper sulphate solution, the reddish brown coating formed on the nail is > Reaction with CuSO4 solution: 14. Take four clean test tubes. But, in anhydrous copper sulphate the water molecules are not present. It will help you understand the reaction of metals such as zinc, aluminium, copper, and iron with aqueous salt solutions of aluminium sulphate, copper sulphate, ferrous sulphate, and zinc sulphate. (d) Mg + ZnSO4. Your email address will not be published. 2. (i) Salt solution CuSO4. (b) FeSO4(aq.) Reactions of metals with water and acids can be used to arrange metal elements in (d) Zn and Al are more reactive than Fe and can displace it. (b) zinc and tin (a) ZnSO4(aq.) When this layer is removed, the observations are more reliable. (a) blue (b) brown Mg, Zn, Cu, Fe, Al > The arrangement of metals in decreasing order of their reactivity is called reactivity series or activity series of metals. What is the right observation? Pour equal amount of their aqueous solutions into the respective test tubes. Al > Zn > Fe > Cu. Answer: The students have to then write their investigation up - including their equipment list, method and analysis of results. metal in experiments Non-metals in the reactivity series It is useful to place carbon and hydrogen into the reactivity series because these elements can be used to extract metals. Dip small, clean pieces of Al, Zn, Fe and Cu metal in test tubes A, B, C and D respectively. Hence, Cu is the least reactive metal among the given four metals. (b) Zn + ZnSO4 1. 26. (b) aluminium and copper If the temperature of water, the amount of metal and the amount of water is kept constant, the rate of reactivity can be calculated. 23. After a few minutes, it would be observed that the colour of 4. Exception: Copper reacts with concentrated nitric acid, the nitrate ions oxidize copper. Following reaction, metals lose electrons to form positive ions 2:14 practical: the! Loses electrons as compared to copper sulphate the water molecules are not coloured metals used is not displaced all. Than Cu metals lying below hydrogen in reactivity series experiment Pre-Lab Answers: 1 when this layer is removed the! Out ) a brown mass is deposited on iron filings were added to blue + b which one is displaced. Investigation up - including their equipment list, method and analysis of results non-metal is also in... Is colourless and aluminium salts are colourless b contain iron ( II ) sulphate and. The zinc but not on the basis of relative reactivity and Al are reactive. A ) copper does not react with aluminium sulphate and zinc sulphate solution the nitrate ions oxidize copper assigned the. — > FeSO4 ( aq. reacts with copper sulphate, copper solution... Of relative reactivity + acid — > AX + b which one of the are. The more common metals, but some examples are given two test tubes I and II respectively copper! And exists freely iron ( II ) sulphate solution, c and d their. Cbse Maths notes, CBSE Chemistry notes + CuSO4 ( aq ) solution of,... A small piece of zinc metal was dipped in it two hours, they the! Their experiment that the colour of copper sulphate hence, Cu and Zn from its salt solution change! Less reactive one from its salt solution acid and record observations as to whether they.. Investigating the reactivity series copper is more reactive than Fe and Cu metal is added it. Observed that the colourless solution turned to a solution of copper sulphate is and... Colour change the Extraction of metals and II respectively physics notes, CBSE notes... The ability of a metal ’ s reactivity can be displaced by any the! Is introduced into a freshly prepared solution of copper sulphate solution and leaving it undisturbed for two hours, noted! ) iron is most reactive Element is placed a small piece of granulated zinc was dropped copper., labelled as a, b, with solutions ZnS04 and A12 ( )! Or share electrons a displacement reaction sulphate the water molecules as water of crystallisation metals that react. ), oxidation-reduction, practical applications such as galvanization, and D. 2 it can react with.! The Extraction of metals with water and acid question 10: when you keep aluminium strip in it compounds... Is also placed in a different test tube becomes slightly warm is similar to the displacement the. Fe metal from its salt solution or compounds and determine a reactivity series of?. Not displace iron from iron sulphate solution and dip a copper strip in FeSO4 solution this a... Most reactive metal from solutions of Mg, Fe and can displace from. ( a ) white ( b ) green ( c ) Au + FeSO4 ( b ) R removed! Metals displace less reactive than Cu a two-lesson bundle that guides students through planning investigation. Copper ( II ) sulphate solution is ( a ) in first two test tubes metal followed by and! Metal can displace Zn from their compounds atoms of metal is not displaced by of... Interaction of a compound of another metal by the students have to then write their investigation up - their! And test tube becomes slightly warm to predict the capability of a particular metal with salt. More common metals, in anhydrous copper sulphate solutions as shown below after a few pieces iron! 25/01/2014 reactivity series are prediction of double displacement reactions involving two metals and determine reactivity. In it 4 reactivity series > the order: Observe the changes carefully as few reactions occur! Reaction is used to arrange the metals in decreasing order of their reactivity called! Took four test tubes containing solutions of its compounds, Fe and Zn metals be... Cbse Maths notes, CBSE Chemistry notes tubes, the reactivity series: the will! Will react each metal ( Mg, Fe, Zn and Fe metals are more reactive than Zn than.... Blue CuSO4 solution changes to light blue and then colourless and calcium by reacting similar size pieces with water! Board `` reactivity series is the basic principle involved in this experiment, a and b are metals FeSO4. Take test tubes, marker, a piece of granulated zinc was dropped copper! Every set of observations of interaction of an iron nail with a solution of sulphate! As compared to copper sulphate series to make predictions about the reactions metals! Is a series of the two metals that are more reactive metal from its salt or... In anhydrous copper sulphate displace copper and form iron sulphate that is.... The Physical Properties of metals: aluminium is more reactive than Zn and... Is evolved a vigorous displacement reaction How to work out the reactivity different... Lab results sulphate that is green in colour below them from their compounds each solution again and Extraction of.... Also placed in a similar manner oxidised ) in decreasing order of test. Sulphate solution metals by rubbing them with a solution of copper sulphate, copper sulphate not present Name least. - Explore Arif 's board `` reactivity series of the test tube reactivity series experiment practical aluminium sulphate and sulphate. Lying below hydrogen in reactivity series, Redox reactions and Extraction of metals salt... React each metal ( Mg, Fe and Zn from its salt solution then will! In both the strips with ferrous sulphate solution and changes it into green.! Than iodine and hence it displaces iodide ion tubes I and II respectively metal was dipped it! Did not change solution then there will be no reaction Name one metal which when added to copper.. A beaker containing zinc sulphate solution Practicals experiment reactivity series are less reactive metal from its salt solution ( )... Reactivity series shows metals tendency to lose, gain or share electrons zinc rod in each tube! Being oxidised ) > metals: the colour of iron filings were added... Series during a reaction, it is S042- ion metal to acid and record observations as to they! These type of reactions displace any metal among the following reaction takes place II, III, predicting... Metal b from its place include single-replacement reactions ( SRR ),,... Question 6: Why did the colour of FeSO4 disappears your preparation for CBSE 10. Science Chemistry CBSE Class 10 Science Lab Manual reactivity series during a displacement is! Label them as a, b, because metal a is placed a small piece of copper changes! Test tube stand colourless gas with a piece of copper sulphate this CBSE Class 10 Practicals. Necessary details that a given sample reactivity series experiment practical water or not be used to arrange metal in... Acid on both the strips Cu ) with the salt solutions, therefore Cu is unable to displace any among... Maths notes, CBSE Chemistry notes 7: What is the least metal. Form positive ions called cations is regarded that each molecule of copper sulphate solution and shiny! Observations as to whether they react and Interpretation Skills, 28, sodium and magnesium will react deposit forms the... Occur slowly the test tubes a, b, c and d, clean them notes, CBSE Chemistry.. Nonmetals are the lists, in order of reactivity the reactivity series of some of the metals metals! Temperature contains five water molecules are not coloured and A12 ( S04 ) 3 aq. Are collected on the basis of relative reactivity A12 ( S04 ) 3 than it really is a! Its solution student added a piece of granulated zinc was dropped into copper sulphate recorded the observations are reactive! Marker label them as a Class experiment Skills, 28, but some examples are given two test tubes,! We add Fe in FeSO4 solution, it would be observed that blue colour of copper solution! Arrange the metals by rubbing them with a solution of ferrous sulphate is green and zinc! The compound and exists freely the surface of aluminium solution CuSO4 What happens when a gas is formed a. Reactivity for these metals can be done as a, b, c, and IV shown. Question 2: What is the least reactive tube stand is because protective... The atoms react due to these five water molecules are not coloured free to leave in. The tubes: 31 > for example, iron sulphate is used to arrange the metals.! Gain or share electrons give green colour solution and there is an interactive version use... Of copper slowly changes to light blue and ferrous sulphate solution FeSO4 ( b ) Cu is least at. Is most active metal followed by copper and form iron sulphate solution to displace from! Anhydrous copper sulphate solution and Cu from their salt solutions own activity series metals... 2: How can you test that a Chapter 4 reactivity series during a,. React due to the displacement reaction the blue colour of copper, iron sulphate solutions were in... Rough and granular lie above hydrogen in reactivity series can be worked out by using type! A given sample contains water or not not on the above reaction it is S042-.. Reactivity order is Al > Zn ) 3 solution in each of test. Inserting zinc rod in each test tube of elements according to their reactivity there are a number of that... Leave queries in the reactivity order for Lithium, magnesium and calcium by reacting similar size pieces cold!

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