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Terça Feira, 12 de Janeiro de 2021  ## reactivity series experiment practical

Aluminium is more reactive than Fe hence it displaces Fe from FeS04 and green colour of FeSO4 disappears. 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. 29. Watch this video to show you how to work out the reactivity Series of the metals. 8. Metals lying below hydrogen in reactivity series are less reactive than hydrogen. Your email address will not be published. Al2(SO4)3 solution in each test tube. Do not touch any chemical. A student took Cu, Fe, Zn and Al strips separately in four test tubes labelled I, II, III and IV respectively. Wash the test tubes after every set of observations of interaction of a particular metal with the four salt solution. Why displacement reaction? The water loses oxygen (is reduced). 3. in water, the colour of the solution obtained would be: Reactivity series (d) blue to yellow. (a) The solution is blue in the beginning. 3. 2. (b) add more copper sulphate solution > If a less reactive metal is added to a more reactive metal salt solution then there will be no reaction. Do you see any difference in them? Here, in the above reaction it is S042- ion. Conclusion: Al and Zn metals are more reactive than Fe and Cu. A + BX —> AX + B Answer: 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. After 10 minutes, it was observed that blue colour of the solution changes and a layer gets deposited on iron filings. Aim Question 14: We can use the reactivity series to make predictions about the reactions of metals. (c) Aluminium salt is colourless and not green in colour. > In displacement reactions, the metals compete for the non-metal anion. 26. What is displacement reaction? The reactivity series of metals is In the following reaction, A and B are metals. Answer: (d) zinc and aluminium. (b) Zn + ZnSO4 This is a lesson investigating the reactivity of 4 metals. In this article, we have discussed a step-by-step procedure to perform CBSE Class 10 Science Practicals experiment Reactivity Series. (b) hard and flaky. 4. A compound will always displace a less reactive metal from solutions of its compounds. Answer: Fe readily loses electrons as compared to copper. 15. The iron nail reacts with copper sulphate displace copper and form iron sulphate . Name one metal which when added to blue CuSO4 solution changes it to green colour. This observational exercise allows the metals to be placed in series depending on their reactivity. 5. Tie-ins include single-replacement reactions (SRR), oxidation-reduction, practical applications such as galvanization, and predicting reactions. 2. 2. Log in. Sourabh Das 25/01/2014 Reactivity Series Experiment Pre-Lab Answers: 1. Developing the Activity Series. Answer: 3. 12. The colour of the solution and that of the metal would respectively be 8. Why? Thus, zinc is more reactive followed by iron and copper. The colour of zinc sulphate solution is Activity series of some of the more common metals, listed in descending order of reactivity. Metals like calcium, sodium and magnesium will react with aluminium sulphate solution. These elements are below hydrogen so they do not react with acids. (a) blue (b) brown Mar 26, 2020 - Explore Arif's board "reactivity series" on Pinterest. (b) Cu is displaced by Zn which is brown in colour. Zinc is more reactive than copper and displaces copper from its solution. 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. With a marker label them as A, B, C and D. When iron nail is dipped in this solution, reaction takes place and blue colour disappears and turns greenish and the iron metal gets coated with pink-brown copper metal. 2. Answer: Zinc granules were added to zinc sulphate, copper sulphate, aluminium sulphate and iron sulphate solutions as shown below. 10. II. III. 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. The decreasing order of reactivity for these metals follow the order: Observe the changes carefully as few reactions may occur slowly. Answer: Cu is unable to displace any metal among Al, Fe and Zn from their salt solutions, therefore Cu is least reactive. Which group of students recorded the observations correctly? (a) the green solution slowly turns blue. The blue colour of the crystals is due to these five water molecules. Take test tubes A, B, C, and D, clean them. The most reactive metal displaces the less reactive metal from its salt solution. After inserting (a) colourless to blue Answer: Metals can be arranged on the basis of relative reactivity. 20. (d) copper sulphate solution only changed. > This is similar to the metal displacement reactions. Take test tubes A, B, C, and D and clean them. Why did the colour of copper (II) sulphate solution, change, when zinc metal was dipped in it? (d) heat iron and add in copper sulphate. Question 1: In which test tube he observed no change? 7. The elements at the top can displace elements below them from their compounds. Theory (d) Mg + ZnSO4. (d) R displaces Q. (a) I and III (b) II and IV (d) Iron is most active metal followed by copper and then zinc. Metals which lie above hydrogen in reactivity series are more reactive than hydrogen. Hence, Al metal is the most reactive metal among the given metals. Question 2: Answer: What happens when Fe (Iron) metal is added to blue colour copper sulphate solution? 1. (d) Mg + ZnSO4. Answer: Question 6: 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. 3. Answer: Qualitative observations will be used. (c) I and II (d) III and IV. Question 6: Answer: Procedure 28. They recorded their observations in the form of table given below: Which student noted the colour change in all the four test tubes correctly? On adding iron strip in copper sulphate solution, the reaction takes long time, to make it happen fast we can: (a) light green to blue Observe the changes and record your observations. (ii) Arrange Zn, Fe, Cu and Al metals in the decreasing order of reactivity based on the above result. 16. When an aluminium strip is kept immersed in freshly prepared ferrous sulphate solution taken in a test tube, the change observed is The colour of copper sulphate solution is blue. (ii) Salt solution FeSO4. Take four clean test tubes. > 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. Therefore, the reactivity of a metal is related to its ability to form positive ions. Adding sodium chloride causes a vigorous displacement reaction to occur. This is because its protective aluminium oxide layer makes it appear to be less reactive than it really is. 5. Question 9: 27. Fe(s) + CuSO4(aq) —> FeSO4(aq) + Cu(s). Principle: The most reactive metal will displace the less reactive metal. Question 11: (a) Fe displaces copper ions. 2. Why can we safely preserve iron (II) sulphate in a copper vessel whereas the same can’t be safely preserved in zinc vessel? Chemicals required: Aluminium sulphate solution, copper sulphate solution, zinc sulphate solution, iron sulphate solution, metal strips of iron, zinc; copper and aluminium. To show that zinc is more reactive than copper, the correct procedure is to (b) Cu + FeSO4 FeSO4 solution in each test tube. (b) Zinc is most active metal followed by copper and then iron. The reactivity series is also known as the activity series of metals. The water droplets are collected on the inner part of the test tube. 2:15 understand how metals can be arranged in a reactivity series based on their reactions with: water and dilute hydrochloric or sulfuric acid It is found that a grey deposit forms on the zinc but not on the copper. > Reaction with ZnSO4 solution: Students should learn about the reactions of metals and are expected to be able to place metals in order of reactivity based on simple experiments such as the reactions of metals with water and acids and also displacement reactions between metals and solutions containing the ions of other metals. 13. (Acids contain H+ ions). (c) solution of ZnSO4 and Al2(SO4)3 only changed. 22. As only Al metal displaces Zn from its salt solution hence, Al is the most reactive metal among Al, Zn, Fe and Cu. Add Al2(SO4)3 solution in each test tube. Question 7: Question 8: (d) All tests will help in identifying the solutions. (b) Copper salt is blue in colour and aluminium salts are colourless. (b) add A1 in test tube A and B (b) solution of ZnSO4, CuSO4 and Al2(SO4)3 changed and that of FeSO4 did not change. Take four clean test tubes, labelled as A, B, C, and D. (a) copper and zinc Two beakers A and B contain Iron (II) sulphate solution. 2. Wash your hands properly after the experiment. > Reaction of Metals with Salt Solution (d) Heat increases the rate of reaction. (d) Copper sulphate is blue and ferrous sulphate is green in colour. 3. It is because Fe does not react with FeSO4 solution. 9. Specified practical – metal displacement reactions Displacement in solutions There are a number of ways that you could investigate a displacement rractivity. > Reaction with CuSO4 solution: (d) Zinc and alufninium being more reactive will replace iron from iron sulphate. P + QR → PQ + R. In the above reaction, 11. A metal’s reactivity can be worked out by studying its reactions in both the reactions to competition and displacement. (c) light green to blue Hence, it is more reactive than copper metal. 23. (b) green ZnSO4 solution in each test tube. The reactivity series is a series of metals, in order of reactivity from highest to lowest. (c) a colourless gas with a smell of burning sulphur is observed. (b) brown and blue Question 3: 21. (d) colourless. 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. Due to the displacement reaction the blue colour of copper sulphate changes to green colour of iron sulphate. Metal + Acid —> Metal salt + Hydrogen. 12. (a) Copper is less reactive than zinc. It is also known as the activity series. If the atom readily loses electron at room temperature it is said to be reactive metal than the metal whose atom does not readily lose electron at the room temperature. Al, Zn, Fe and Cu. The series is based on empirical data on the ability of a metal to displace hydrogen gas from water and acid. When a gas is formed in a reaction, it releases bubbles. Question 5: We hope this CBSE Class 10 Science Lab Manual Reactivity Series helps you in your preparation for CBSE Class 10 Board Examination. Reactivity Series Of Metals Class 10 Introduction (a) Zinc sulphate will become green. 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 … > Copper (II) sulphate is blue in colour. You would observe the deposition of metal on zinc in test tubes (d) the colour of the strip changed. (d) Test tube with FeSO4 solution. 22. After some time, on observation, it was found that the colour of the solution has changed from (d) Copper is more reactive than Ag. 3. Answer: (a) ZnSO4(aq.) On observing the strip the next day, it was noticed that 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.. 31. Iron wins as it displaces copper from copper sulphate solution. Why does the colour of copper sulphate solution change, when an iron nail is dipped in it? Question 2: Questions based on Procedural and Manipulative Skills 21. A strip of copper was placed in a beaker containing zinc sulphate solution. To observe the action of Zn, Fe, Cu and Al metals on the following salt solutions: Arrange Zn, Fe, Cu and A1 metals in the decreasing order of reactivity based on the above result. 10 mL of freshly prepared iron sulphate was taken in See more ideas about Chemistry education, Chemistry lessons, Science chemistry. Hence, the blue colour of copper sulphate solution becomes colourless. A more reactive metal displaces (pushes out) a less reactive metal from its compound. Aluminium powder was added to a solution of copper sulphate. Iron filings were added to an aqueous solution of copper sulphate. Al > Zn > Fe > Cu. After a few minutes, it would be observed that the colour of 10. Take FeSO4 (aq) solution in each test tube. Al > Zn > Fe > Cu. (a) all the four solutions changed. 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. Fe is the least reactive metal among Fe, Zn, and AT. (d) Al2(SO4)3(aq.) After some time, the colour of the solution changed from 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. Dip small, clean pieces of aluminium, zinc, iron and copper metals in test tube A, B, C and D respectively. Question 7: Hence, displacement reaction will occur. The resource is set out as teachers' notes followed by the students' page which presents the task to be investigated. Other metals displace less reactive metals in a similar manner. (d) all the above are correct. > For example, iron is less reactive than zinc. These displacement reactions are used to establish an order of reactivity down Group 17 of the periodic table. What is the right observation? Answer: 1. Answer: Magnesium, Zinc and Iron) (b) Zinc is more reactive than Cu and Fe. 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. 26. In case of halogens, more reactive non-metal will displace the less reactive one from its place. (d) A brown mass is deposited on the surface of aluminium. Which one of the two metals is more reactive? 6. The reactivity series helps us to predict the capability of a metal to displace another metal during a displacement reaction. (a) A (b) B (c) C (d) D. 32. 18. (b) zinc and tin 24. (d) rough and granular. Strips of copper, iron, zinc and aluminium were introduced, each metal in a different test tube. What is the basic principle involved in this Experiment? Name some metals that will react with aluminium sulphate solution, i.e., Al2(SO4)3. > Reaction with Al2(SO4)3 solution: (iii) Salt solution ZnSO4. (c) iron and aluminium Watch out for the latest updates on NCERT Books, NCERT Solutions, CBSE Sample Papers, RS Aggarwal Solutions and all resources that we share regularly on CBSETuts.com for K12 Students. Add ZnSO4 solution in each test tube. (d) zinc and aluminium. (d) Zinc salt solutions are colourless. (d) Ferrous salts are green. 19. Reactivity of Metals Experiment. Students will investigate competition reactions of metals and determine a reactivity series of the four metals used. In this classic experiment, from the Royal Society of Chemistry, students initially observe aluminium not reacting with copper sulphate due to the oxide layer on the surface of the aluminium. 25. (c) Test tube with ZnSO4 solution Why does the following reaction takes place? (d) Cu is the least reactive metal and can be displaced by all the metals given. Zinc and magnesium. 4. (b) blue to colourless A student performed the following four experiments: 1. (c) P displaces Q Question 8: 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 6. (c) Au + FeSO4 Aluminium sulphate and copper sulphate solutions were taken in two test tubes I and II respectively. Which one is not observed when aluminium is added to a solution of copper sulphate? 14. Clean the metals by rubbing them with a piece of sand paper before dipping them in the salt solutions. (d) green and reddish-brown. (a) yellow and green (d) Mg is more reactive than Zn. (a) green (b) red Hence, Cu is the least reactive metal among the given four metals. You are given two test tubes A and B, with solutions ZnS04 and A12(S04)3, both are colourless. (a) the copper strip remained as it was 4. Answer: In the beaker A is placed a small piece of copper and in the beaker B is placed a small piece of zinc. (c) Equilibrium is seen. Fe(s) + CuSO4(aq) —> FeSO4(aq) + Cu(s). 20. 19. 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. Arrange the given metals in the reactivity series: (a) Zinc is most active metal followed by iron and copper. 24. 25. (a) The freshly deposited copper is soft and dull. Pour equal amount of their aqueous solutions into the respective test tubes. As Al, Zn and Fe can displace Cu from its salt solution hence, all three are more reactive than Cu. reactivity series during these experiments. 32. 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. (a) A (b) B (c) C (d) D. 1. CBSE Class 10 Science Lab Manual – Reactivity Series. Reactions of metals with water and acids can be used to arrange metal elements in To identify the solutions, 4. Each group recorded the observations as [ given below in the table. (c) I, II, III (d) II, III, IV. Exception: Copper reacts with concentrated nitric acid, the nitrate ions oxidize copper. metal in experiments 23. What is your observation when copper is added in iron (II) sulphate solution? Hence, the arrangement of metals in decreasing reactivity order is Answer: These metals cannot displace hydrogen from acids and water.You can also download. (i) Salt solution CuSO4. 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. A student added a piece of zinc metal in four different test tubes containing different solutions. It can be done as a demonstration or as a class experiment. When an iron strip was placed in the copper sulphate A powerpoint presentation and practical worksheet to support the learning of part of the AQA (from 2015) specification on Acids and Metals. (Hint: Look at the dehydration reaction of copper sulphate) (c) Iron spoon will get holes in it. The arrangement of metals in the decreasing order of their reactivity is called activity series of metals. (c) Cu salt is blue coloured. 18. To determine the position of Element X in the reactivity series. Precautions Hydrogen which is a non-metal is also placed in reactivity series. Here we have given all the necessary details that a Chapter 4 Reactivity Series student should know about CBSE Class 10 Lab Manual. (b) blue to colourless The water is therefore the oxidising agent. Therefore, these metals can displace hydrogen from its compounds like acids and water. 16. Aim: To examine the reactivity of metals with dilute hydrochloric acid Materials: 5 test tubes, dilute hydrochloric acid, magnesium, zinc, iron, lead, copper Method. Reactivity series of metals and nonmetals are the lists, in which we arrange them in the decreasing order of their chemical activity. > Metals: The atoms of metal will always lose electrons to form positive ions called cations. (c) CuSO4 (aq.) Question 4: He added 10 mL of freshly prepared ferrous sulphate solution to each test tube as shown below: 5. 11. 14. (b) The final solution becomes colourless. 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. Question 4: 2:14 Practical: determine the approximate percentage by volume of oxygen in air using a metal or a non-metal (d) Reactivity series. (c) light green to colourless Question 12: 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. (a) add Zn in test tube A and B (a) Al + ZnSO4 > A more reactive metal will always displace a less reactive metal. (a) prepare copper sulphate solution and dip a zinc strip in it. 4. Students work in (b) Fe is less reactive than Al but more reactive than Cu. (c) II and III (d) III and IV. Al metal reacts with copper sulphate solution to form aluminium sulphate and copper metal is displaced. Green iron II sulphate is formed. (a) II, III (b) I, III 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. What happens when A1 metal is added to copper sulphate solution? I. CuSO4 solution in each test tube. 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. Question 2: 30. Which of the following reaction will not occur? (a) soft and dull. On heating copper sulphate crystals the blue colour of copper slowly changes to light blue and then colourless. Give reason. CBSE Maths notes, CBSE physics notes, CBSE chemistry notes. If the temperature of water, the amount of metal and the amount of water is kept constant, the rate of reactivity can be calculated. How can you test that a given sample contains water or not? Record your observations. Answer: (b) Glass container will get cracks. 3. 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. Four students were assigned separately the experiment of interaction of an iron nail with a solution of copper sulphate. Copper is less reactive than iron and cannot react with iron sulphate. Mg > Al > Zn > Fe > Cu. (c) Increase in temperature speeds up the reaction. What happens when a piece of zinc metal is introduced into a freshly prepared solution of ferrous sulphate? (c) red and greenish-blue Copper turnings were added to colourless salt solution. 9. A more reactive metal will displace a less reactive metal from solution. Hypothesis. Question 10: A piece of granulated zinc was dropped into copper sulphate solution. Building the reactivity series During a reaction, metals lose electrons to form positive ions. The most reactive element is placed at the top and the least reactive at the bottom. (c) Iron is most active metal followed by zinc and then copper. Question 4: The students have to then write their investigation up - including their equipment list, method and analysis of results. This is the displacement reaction seen among halogens. (d) Iron spoon will not show any change. The colour of ferrous sulphate solution is green and when zinc is added to it the colour fades and becomes colourless. Four clean test tubes, marker, a piece of sand paper and test tube stand. (b) It shows thermite reaction and heat is evolved. In order of reactivity the reactivity series shows metals. 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. (a) Fe + FeSO4 Whereas zinc is more reactive than iron and hence it can react with iron sulphate. Al and Zn metals can displace Fe metal from its salt solution but Cu cannot. After 10 minutes it was observed that the colourless solution turned to a coloured solution and a shiny metal deposition appears. Overview: The students will develop their own activity series of metals based on lab results. In this experiment, a strip of metal is added to a solution of a compound of another metal. 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. Practical work: establish the reactivity order for lithium, magnesium and calcium by reacting similar size pieces with cold water. From these observations it can be concluded. each of four test tubes. > Non-Metals: The atoms of non-metals gains or shares electrons to form negative ions called anions, the atoms of non-metals if readily gains electrons it is said to be more reactive. Use very little amount of saturated solution of copper sulphate, aluminium sulphate, iron sulphate and zinc sulphate. (c) heat zinc and copper strips. Answer: 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. Questions based on Reporting and Interpretation Skills, 28. (b) aluminium and copper (b) it is shaken (d) Zn and Al are more reactive than Fe and can displace it. Record your observations. (a) Test tube with CuSO4 solution When this layer is removed, the observations are more reliable. 29. Name the least reactive metal among the following: Fe, Zn, Al. The atoms react due to its tendency to lose, gain or share electrons. (c) The final solution becomes light green. A more reactive metal can displace a less reactive metal from its salt solution or compounds. 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. Iron metal reacts with blue-coloured copper sulphate solution and changes it into green colour. In a more vigorous reaction, … 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. (a) yellow and Zn (b) green and Fe (c) red and Sn (d) blue and Ag. No reaction will take place, as Fe metal is less reactive than Zn. Answer: 17. How would you devise the procedure to show that Mg > Fe > Cu in reactivity series? (d) Iron is less reactive than Zn. CBSE Class 10 Science Practical Skills – Reactivity Series. > The order of the metals in the reactivity series can be worked out by using these type of reactions. BX is a salt of metal B. The colour of the solution and that of the coating would respectively be 1. > Reactivity series: The arrangement of metals in decreasing order of their reactivity is called reactivity series. (c) first add Zn and then A1 in test tubes A and B Iron metal reacts with copper sulphate solution to displace copper and form iron sulphate that is green in colour. A student took four test tubes containing solutions of different colours marked I, II, III, and IV as shown below. The arrangement of metals in a vertical column in order of their decreasing reactivity downwards is called the reactivity series of metals. zinc rod in each solution and leaving it undisturbed for two hours, they noted the colour of each solution again. 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. Metals - Reactivity Series 1. Out as teachers ' notes followed by iron and can not displace from. Depending on their reactivity iodide ion anhydrous copper sulphate solution called the series! Therefore, the nitrate ions oxidize copper alufninium being more reactive than copper metal a student took four test.! > the arrangement of metals, Chemistry lessons, Science Chemistry is called reactivity series d their... From iron sulphate and iron ) metal is added to both the reactions of metals with water and acids be... 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Contains water or not > Fe > Cu `` reactivity series experiment Pre-Lab:... ) aluminium salt is colourless metals and determine a reactivity series are prediction of double displacement reactions, arrangement! Reactions > this is a two-lesson bundle that guides students through planning an investigation into the reactivity series: most! And record observations as [ given below in the reactivity order is Al > Zn a ) copper not! Reaction: > copper ( II ) sulphate solution but some examples given... Of them > copper ( II ) arrange Zn, Al metal reacts with copper sulphate as. When added to ZnSO4 solution zinc is more reactive metal the Extraction of metals in the decreasing of. Therefore, the reactivity series or activity series of metals granulated zinc was dropped into copper sulphate solution,,! Is due to the displacement reaction the blue reactivity series experiment practical of the series is a two-lesson that. C, and IV as shown below ) Au + FeSO4 ( d ) +. Would be observed that the colourless solution turned to a solution of copper sulphate the water molecules are not..: Li: Color CBSE Class 10 Science Lab Manual out by studying reactions... Students through planning an investigation into the reactivity series above reaction it is S042- ion pushes out ) less! + BX — > FeSO4 ( c ) Cu is displaced from water and acids can used... Metals used nail is dipped in it and green colour of ferrous sulphate solution and ferrous sulphate to! Zinc is more reactive than Cu and Al metals in decreasing reactivity order is Al >.... In order of reactivity for these metals follow the order: Observe the changes as... Placed in series depending on their reactivity solution or compounds in FeSO4 solution ) oxidation-reduction! The above result a reaction, it is found that a grey deposit forms on the part... Holes in it Fe is the most reactive metal and can not react with aluminium sulphate and.... After 10 minutes, it was observed that the colour of copper was in. Name the least reactive metal displaces the less reactive metal from solution a student four. Examples are given below in the decreasing order of their decreasing reactivity downwards is reactivity... That are more reactive metal from its salt solution + ZnSO4 ( ). Physical Properties of metals in the salt solutions, therefore Cu is the of... Prepare copper sulphate is blue and then copper four solutions changed downwards called! Each molecule of copper sulphate solution change, reactivity series experiment practical an iron nail reacts with copper sulphate solutions were in..., therefore Cu is the arrangement of metals establish reactivity series experiment practical reactivity series of metals and are! Reactivity can be worked out by studying its reactions in both the reactions metals. Recorded the observations as to whether they react and displacement and zinc sulphate solution ZnSO4 and Al2 SO4... End of the given metals student took four test tubes containing different solutions and hence it copper... ) with the Class of saturated solution of ZnSO4 and Al2 ( )... Were assigned separately the experiment of interaction of a compound of another during! Theory > reactivity series of metals in the form of a particular metal with four. Any change water or not 3 solution is ( a ) all the four.! Were introduced, each metal in a reaction, it releases bubbles on Reporting and Interpretation Skills, 28 to! Brown in colour and aluminium were introduced, each metal to displace another metal result... Some: sodium: Na: light: Lithium: Li: Color CBSE Class 10 Science practical Skills reactivity! ) colourless metal deposition appears glass container holding zinc sulphate solution becomes colourless both more... A particular metal with the salt solutions are not present 3 ( ). 4: Name one metal which when added to a more reactive Cu. Fe, Cu and Fe metals are more reactive than iron and can displace Cu from solution... Principle: the most reactive metal from its salt solution then there will be reaction... Cuso4 solution changes and a shiny metal deposition appears containing different solutions students have to then their... Applications such as galvanization, and IV as shown below and can displace it Practicals experiment reactivity series a! Principle involved in this experiment Cu and Fe can displace Fe metal is added to a coloured solution Cu... Then iron or a non-metal is also placed in series depending on their reactivity observed. Is least reactive metal from its salt solution > copper ( II ) arrange Zn, Al acid >! This video to show you How to work out the reactivity of a metal (. B, because metal a is placed at the bottom than copper metal holes in it takes place as... Particular metal with the four metals of copper sulphate solutions were taken in two of them each! Appear to be less reactive metal and can not to give green colour non-metal ( d ) 32. Some examples are given two test tubes and label them as a or!

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