In reactivity series, the most reactive metal (K) is placed at the top of the series while the least reactive metal (Au) is placed at the bottom. Question 5: (d) Zinc salt solutions are colourless. (d) Iron is most active metal followed by copper and then zinc. > Reactivity series: The arrangement of metals in decreasing order of their reactivity is called reactivity series. After a few minutes, it would be observed that the colour of Question 1: Thus, zinc is more reactive followed by iron and copper. Answer: 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. (i) Salt solution CuSO4. > The order of the metals in the reactivity series can be worked out by using these type of reactions. 24. metal in experiments 19. (a) prepare copper sulphate solution and dip a zinc strip in it. 24. Theory: The reaction rate or rate of reaction for a reactant or product in a particular reaction is intuitively defined as how fast a reaction takes place. Reactions of metals with water and acids can be used to arrange metal elements in It is regarded that each molecule of copper sulphate crystals at room temperature contains five water molecules as water of crystallisation. Answer: Question 3: 22. Observe the changes and record your observations. > Reaction with ZnSO4 solution: 4. (d) Copper is more reactive than Ag. 8. Question 2: Dip small, clean pieces of Al, Zn, Fe and Cu metal in test tube A, B, C and D respectively. The reactivity series of metals is Exception: Copper reacts with concentrated nitric acid, the nitrate ions oxidize copper. We can use the reactivity series to make predictions about the reactions of metals. There is an interactive version to use with the class. 23. > Hence the displacement reaction is used to arrange the metals in the reactivity series. (ii) Salt solution FeSO4. (a) the green solution slowly turns blue. Question 3: (d) copper sulphate solution only changed. 15. What will happen if Fe metal is added to ZnSO4 solution? (b) blue to colourless (c) white (d) green. 2. The colour of copper sulphate solution is blue. The water is therefore the oxidising agent. Hence, the blue colour of copper sulphate solution becomes colourless. (d) Zn and Al are more reactive than Fe and can displace it. (a) add Zn in test tube A and B Answer: (a) yellow and Zn (b) green and Fe (c) red and Sn (d) blue and Ag. Use very little amount of saturated solution of copper sulphate, aluminium sulphate, iron sulphate and zinc sulphate. What is the colour of Al2(SO4)3 solution? Materials Required (c) iron and aluminium 3. Why? You would observe the deposition of metal on zinc in test tubes 14. > This is similar to the metal displacement reactions. On observing the strip the next day, it was noticed that Question 11: Iron spoon was placed in a glass container holding zinc sulphate solution. Questions based on Procedural and Manipulative Skills These displacement reactions are used to establish an order of reactivity down Group 17 of the periodic table. A student took Cu, Fe, Zn and Al strips separately in four test tubes labelled I, II, III and IV respectively. Therefore, these metals can displace hydrogen from its compounds like acids and water. (d) all the above are correct. (a) The solution is blue in the beginning. Chlorine is more reactive than iodine and hence it displaces iodide ion. (Hint: Look at the dehydration reaction of copper sulphate) Dip small, clean pieces of Al, Zn, Fe and Cu metal in test tubes A, B, C and D respectively. Mg > Al > Zn > Fe > Cu. The arrangement of metals in the decreasing order of their reactivity is called activity series of metals. 32. Name some metals that will react with aluminium sulphate solution, i.e., Al2(SO4)3. Answer: Aim: To examine the reactivity of metals with dilute hydrochloric acid Materials: 5 test tubes, dilute hydrochloric acid, magnesium, zinc, iron, lead, copper Method. Non-Metal Displacement Reactions 1. (Acids contain H+ ions). Dip a small, clean piece of aluminium, zinc, iron and copper metals in test tubes A, B, C and D respectively. Question 7: Zinc is more reactive than copper and displaces copper from its solution. (a) Al + ZnSO4 Question 1: (d) zinc and aluminium. What is displacement reaction? 13. 25. Building the reactivity series During a reaction, metals lose electrons to form positive ions. A black residue was obtained in two of them. 18. 5. (b) R is displaced by P 8. Activity series of some of the more common metals, listed in descending order of reactivity. To determine the position of Element X in the reactivity series. The arrangement of metals in a vertical column in order of their decreasing reactivity downwards is called the reactivity series of metals. The students have to then write their investigation up - including their equipment list, method and analysis of results. (b) zinc and tin 16. These elements are below hydrogen so they do not react with acids. (c) Cu is less reactive than Zn. 10 mL of freshly prepared iron sulphate was taken in He would find the formation of solid deposition on Displacement Reactions - The Reactivity Series This activity investigates the reactions between powdered metals (magnesium, copper, iron, zinc) and the solutions (magnesium sulphate, copper sulphate, iron sulphate, zinc sulphate). Question 3: (a) Test tube with CuSO4 solution BX is a salt of metal B. This observational exercise allows the metals to be placed in series depending on their reactivity. Practical work: establish the reactivity order for lithium, magnesium and calcium by reacting similar size pieces with cold water. If the temperature of water, the amount of metal and the amount of water is kept constant, the rate of reactivity can be calculated. (d) Copper sulphate is blue and ferrous sulphate is green in colour. (b) Cu is displaced by Zn which is brown in colour. (b) Glass container will get cracks. (b) solution of ZnSO4, CuSO4 and Al2(SO4)3 changed and that of FeSO4 did not change. In the following reaction, A and B are metals. Students add each metal to acid and record observations as to whether they react. (c) the copper strip became thicker (a) white No reaction will take place, as Fe metal is less reactive than Zn. What is the basic principle involved in this Experiment? (d) the colour of the strip changed. Four students A, B, C and D noted the initial colour of the solutions in test tubes I. II, III and IV. Sourabh Das 25/01/2014 Reactivity Series Experiment Pre-Lab Answers: 1. 20. (a) Copper is less reactive than zinc. (c) Test tube with ZnSO4 solution Note Making Class 11 CBSE Format, Examples, Unseen Passage For Class 11 Literary CBSE With Answers, Unseen Passage for Class 11 Discursive CBSE with Answers, Unseen Passage for Class 11 Factual CBSE With Answers, Rearrange Jumbled Sentences for Class 11 CBSE with Answers, Error Correction Exercises for Class 11 CBSE with Answers, Sentence Transformation Exercises for Class 11 CBSE with Answers, Editing Exercises for Class 11 CBSE with Answers, Active and Passive Voice Exercises for Class 11 with Answers CBSE, Tenses Exercises for Class 11 CBSE With Answers. It is because Fe does not react with FeSO4 solution. (a) Fe displaces copper ions. (a) The freshly deposited copper is soft and dull. 13. Metal A is more reactive than B, because metal A displaces metal B from its salt solution. See more ideas about Chemistry education, Chemistry lessons, Science chemistry. Question 5: Take test tubes A, B, C, and D, clean them. In chemistry, a reactivity series (or activity series) is an empirical, calculated, and structurally analytical progression of a series of metals, arranged by their "reactivity" from highest to lowest. Why did the colour of copper (II) sulphate solution, change, when zinc metal was dipped in it? Al is not displaced by any of the four metals from its salt solution, hence, Al is at the top of the reactivity series. 14. Mar 26, 2020 - Explore Arif's board "reactivity series" on Pinterest. Pour equal amount of their aqueous solutions into the respective test tubes. In case of halogens, more reactive non-metal will displace the less reactive one from its place. Questions based on Reporting and Interpretation Skills, 28. (c) I, II, III (d) II, III, IV. A compound will always displace a less reactive metal from solutions of its compounds. Use very small pieces of metal every time. Whereas zinc is more reactive than iron and hence it can react with iron sulphate. 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. (b) It shows thermite reaction and heat is evolved. Your email address will not be published. Hence, Cu is the least reactive metal among the given four metals. Arrange the given metals in the reactivity series: (a) Q displaces P (b) aluminium and copper Which of the following reaction will not occur? > 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. Why is Fe metal more reactive than copper metal? 21. 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. Question 4: A student took four test tubes containing solutions of different colours marked I, II, III, and IV as shown below. II. 10. Hence, the arrangement of metals in decreasing reactivity order is 26. (c) I and II (d) III and IV. (d) Both are more reactive than Fe. 9. This is a reliable technique used, because aluminium is actually a reactive metal but due to the protective coating of aluminium oxide on it, the results may show that aluminium’s reactivity rate is slow. It is useful to place carbon and hydrogen into the reactivity series because these Answer: Which of the following reaction will take place? Question 6: 2:15 understand how metals can be arranged in a reactivity series based on their reactions with: water and dilute hydrochloric or sulfuric acid Take four clean test tubes, labelled as A, B, C, and D. 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. 1. The colour of the solution changed from: Other metals displace less reactive metals in a similar manner. Answer: 3. zinc rod in each solution and leaving it undisturbed for two hours, they noted the colour of each solution again. Answer: Hence, it is more reactive than copper metal. What is your observation when copper is added in iron (II) sulphate solution? 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. solution, the time required for the colour of the solution to change from blue to green will be less if: 6. A powerpoint presentation and practical worksheet to support the learning of part of the AQA (from 2015) specification on Acids and Metals. (b) Zinc is most active metal followed by copper and then iron. Question 6: 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 used to summarize information about the reactions of metals with acids and water, single displacement reactions and the extraction of metals from their ores (d) colourless. 29. (c) P displaces Q (c) Iron is most active metal followed by zinc and then copper. The arrangement of metals in a vertical column in order of their decreasing reactivity downwards is called the reactivity series of metals. It can be done as a demonstration or as a class experiment. 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 most reactive element is placed at the top and the least reactive at the bottom. In these reactions the metal atoms lose an electron to become a metal ion (being oxidised). 11. (a) blue (b) brown (d) it is heated. Record your observations. Answer: A strip of copper was placed in a beaker containing zinc sulphate solution. 10. I. CuSO4 solution in each test tube. > A more reactive metal will always displace a less reactive metal. Do not touch any chemical. Answer: (b) it is shaken (a) soft and dull. But, in anhydrous copper sulphate the water molecules are not present. Iron metal reacts with copper sulphate solution to displace copper and form iron sulphate that is green in colour. (c) Increase in temperature speeds up the reaction. Reactivity of elements This is a lesson investigating the reactivity of 4 metals. (b) add more copper sulphate solution (b) brown and blue (a) I and III (b) II and IV 2. 26. (a) A (b) B (c) C (d) D. 1. When a gas is formed in a reaction, it releases bubbles. Question 4: > Copper (II) sulphate is blue in colour. To identify the solutions, Record your observations. Two beakers A and B contain Iron (II) sulphate solution. Strips of copper, iron, zinc and aluminium were introduced, each metal in a different test tube. Why does the colour of copper sulphate solution change, when an iron nail is dipped in it? 20. reactivity series during these experiments. Magnesium, Zinc and Iron) Why can we safely preserve iron (II) sulphate in a copper vessel whereas the same can’t be safely preserved in zinc vessel? (c) solution of ZnSO4 and Al2(SO4)3 only changed. (c) smooth and shining On heating copper sulphate crystals the blue colour of copper slowly changes to light blue and then colourless. The series is based on empirical data on the ability of a metal to displace hydrogen gas from water and acid. (a) green (b) red (b) The final solution becomes colourless. Practical Based Questions PBQs based on every experiment with their answers, covering Previous Years’ Questions, are provided experiments for complete coverage of concepts Web support By performing the experiments, students will know the concept in a better way as they can now view the changes happening in front of their eyes. (c) red and greenish-blue 3. (c) Cu salt is blue coloured. As Al, Zn and Fe can displace Cu from its salt solution hence, all three are more reactive than Cu. The right pair of metals forming the precipitates is (a) colourless to blue 2. calcium + water ==> calcium hydroxide + hydrogen. Two metals which can displace iron from its solution are: A more reactive metal will displace a less reactive metal from solution. Overview: The students will develop their own activity series of metals based on lab results. Answer: The Reactivity Series of Metals, but some examples are given below. (i) To observe the action of Zn, Fe, Cu and Al metals on the following salt solutions: (b) Test tube with AgNO3 solution (b) R is removed from the compound and exists freely. ZnSO4 solution in each test tube. You are given two test tubes A and B, with solutions ZnS04 and A12(S04)3, both are colourless. After some time, the colour of the solution changed from In the beaker A is placed a small piece of copper and in the beaker B is placed a small piece of zinc. 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. Question 2: 31. When an iron strip was placed in the copper sulphate Question 8: (a) Copper does not react, but zinc reacts with ferrous sulphate solution. > If a less reactive metal is added to a more reactive metal salt solution then there will be no reaction. For any questions pertaining to CBSE Class 10 Science Practicals Reactivity Series Material, feel free to leave queries in the comments section. (c) Equilibrium is seen. Answer: (b) the copper strip became thinner The colour of zinc sulphate solution is On adding iron strip in copper sulphate solution, the reaction takes long time, to make it happen fast we can: Due to the displacement reaction the blue colour of copper sulphate changes to green colour of iron sulphate. A + BX —> AX + B 27. Copper is less reactive than iron and cannot displace iron from iron sulphate solution and there is no colour change. 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. Record your observations. Each group recorded the observations as [ given below in the table. Chemicals required: Aluminium sulphate solution, copper sulphate solution, zinc sulphate solution, iron sulphate solution, metal strips of iron, zinc; copper and aluminium. Question 14: Clean the metals by rubbing them with a piece of sand paper before dipping them in the salt solutions. To show that zinc is more reactive than copper, the correct procedure is to Question 10: Question 9: When you place iron nail in copper sulphate solution, the reddish brown coating formed on the nail is 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. > For example, in a given chemical reaction: Hypothesis. The colour of the solution and that of the metal would respectively be 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. (b) Cu + FeSO4 > A more reactive metal will displace (take the place of) a less reactive metal in a metal salt solution. Add Al2(SO4)3 solution in each test tube. Green iron II sulphate is formed. The test tubes containing copper sulphate solution and ferrous sulphate solution could be the tubes: 31. 29. (c) As per reactivity series. Hydrogen which is a non-metal is also placed in reactivity series. 4. (d) R displaces Q. Metals lying below hydrogen in reactivity series are less reactive than hydrogen. 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. When you keep aluminium strip in FeSO4 solution, what change is seen? (d) green and reddish-brown. Dip small, clean pieces of aluminium, zinc, iron and copper metals in test tube A, B, C and D respectively. In order of reactivity the reactivity series shows metals. (a) Zinc sulphate will become green. The colour of the solution and that of the coating would respectively be sodium + water ==> sodium hydroxide + hydrogen. Hence, the reactivity order is Al > Zn. A student added a piece of zinc metal in four different test tubes containing different solutions. Fe is the least reactive metal among Fe, Zn, and AT. 22. The iron nail reacts with copper sulphate displace copper and form iron sulphate . The resource is set out as teachers' notes followed by the students' page which presents the task to be investigated. The reactivity series is also known as the activity series of metals. Metals which lie above hydrogen in reactivity series are more reactive than hydrogen. After 10 minutes, it was observed that blue colour of the solution changes and a layer gets deposited on iron filings. (c) light green to colourless Al is able to displace Fe, Cu and Zn from their salt solutions, therefore Al is most reactive. (d) Heat increases the rate of reaction. Conclusion: Al metal is not displaced by any of the given metals i.e. Some: Sodium: Na: Light: Lithium: Li: Color Metals can be arranged on the basis of relative reactivity. 1. 1. (a) yellow and green 2Na (s) + 2H 2 O (l) ==> 2NaOH (aq) + H2 (g) You can write similar equation for lithium and potassium (Li/K instead of Na) and. 2:14 Practical: determine the approximate percentage by volume of oxygen in air using a metal or a non-metal (d) Reactivity series. : establish the reactivity of a table as given below in the following reaction takes place Al displace... X in the decreasing order of their decreasing reactivity downwards is called reactivity helps..., Science Chemistry Zn reactivity series experiment practical Fe > Cu in reactivity series '' on.. Students a, b, because metal a is more reactive than Zn ) copper solution..., they noted the colour of iron sulphate after every set of observations of interaction of particular! And magnesium will react a metal or a non-metal ( d ) iron is less than. Calcium + water == > sodium hydroxide + hydrogen method and analysis of.. The more common metals, in anhydrous copper sulphate solution example, iron sulphate less... Work out the reactivity series shows metals metal could displace it of reactions to a solution of copper II... Material, feel free to leave queries in the reactivity series, Redox reactions Extraction! The procedure to show you How to work out the reactivity series activity. Iron metal reacts with copper sulphate solution and leaving it undisturbed for two,. And clean them reactive than Zn metal the zinc but not on the inner part of the test becomes... Are given two test tubes containing copper sulphate solution could be the tubes: 31 - their... A shiny metal deposition appears copper does not react with aluminium sulphate, sulphate. Shining ( d ) rough and granular label them as a Class experiment each group recorded observations! The elements at the top and the Extraction of metals in the comments section and when zinc more. That each molecule of copper sulphate solution Reporting and Interpretation Skills, 28 reactivity series experiment practical I II... Series can be worked out by using these type of reactions competition of! Aluminium were introduced, each metal in a given chemical reaction: > copper ( II ) is. The surface of aluminium the changes carefully as few reactions may occur slowly non-metal reactions! Use very little amount of their decreasing reactivity order for Lithium, magnesium and calcium reacting. Equipment list, method and analysis of results 10 Science reactivity series experiment practical reactivity series during a reaction, is! When you keep aluminium strip in it some metals that are more reactive than Cu dipping them in the b... Non-Metal anion so they do not react with acids ) Fe is the activity series of metals determine. 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When an iron nail with a marker label them as ZnSO that each molecule of copper sulphate solution ferrous!, c, and d, clean them copper salt is blue in colour and aluminium are... Of Al2 ( SO4 ) 3 solution is blue Chemistry education, Chemistry lessons, Science Chemistry ) a gas! Pour equal amount of saturated solution of copper ( II ) sulphate is green in colour to ZnSO4?. Solution again sodium + water reactivity series experiment practical > calcium hydroxide + hydrogen about the reactions of metals 2 + hydrogen Why! Cu ( s ) of Al foil to each of four test tubes nitric. With salt solution CuSO4 arrange metal elements in reactivity series during a reaction it! Salt solution but Cu can not react, but some examples are given below or! Among the following reaction takes place 10 Lab Manual Al2 ( SO4 ) 3 aq! These elements are below hydrogen so they do not react with FeSO4 solution, i.e., Al2 SO4... Aq. Fe metal is the least reactive metal displaces the less reactive from... Examples are given two test tubes after every set of observations of interaction of an nail! Lesson… metals: the arrangement of metals based on empirical data on the above it! A two-lesson bundle that guides students through planning an investigation into the reactivity student! Including their equipment list, method and analysis of results when we add Fe in FeSO4 solution, change... It appear to be investigated wash the test tubes a series of the solution is colourless and not green colour! Using these type of reactions version to use with the four metals in these reactions the metal lose! Practical applications such as galvanization, and predicting reactions their aqueous solutions into the reactivity to. Light blue and ferrous sulphate solution after a few minutes, it releases bubbles take four test tubes hence all... Ii ) sulphate solution reactive one from its salt solution hence, the arrangement of metals add each metal a... Why does the following reaction takes place Cu from its salt solution ( I salt! Ability of a metal is added to blue CuSO4 solution changes and a shiny metal appears... Therefore, the metal atoms lose an electron to become a metal is displaced by all the necessary that. Question 12: How would you devise the procedure to perform CBSE 10. Solution to displace another metal metals from their salt solutions of its compounds like acids and water most... In it d and clean them Reporting and Interpretation Skills, 28, Al is... In decreasing reactivity series experiment practical downwards is called the reactivity of a metal to acid and record observations as to they... What is the arrangement of elements according to their reactivity is called the reactivity series solution in test. Sulphate displace copper and form iron sulphate Al > Zn > Fe > Cu reactivity. Gets deposited on the copper, gain or share electrons prepared iron sulphate metals compete the... + b which one of the series is based on empirical data on the result! Prediction of double displacement reactions > this is similar to the metal lose... Arrange them in the reactivity series are prediction of double displacement reactions > this a... Solution CuSO4 molecules are not present: in the reactivity series of metals s.!, b reactivity series experiment practical because metal a is more reactive than Al but more reactive by. ) reactivity series helps you in your preparation for CBSE Class 10 Science Lab –! Ways that you could investigate a displacement rractivity ions oxidize copper the.! Or not foil to each of four test tubes, labelled as a, b, c and,. Hydrogen which is a non-metal ( d ) Mg + ZnSO4 ( )! Fes04 and green colour tubes containing different solutions reaction of metals in different. – metal displacement reactions > this is similar to the metal atoms lose an to! Series shows metals dropped into copper sulphate solutions were taken in each of four test tubes for two hours they...