Chemicals required: Aluminium sulphate solution, copper sulphate solution, zinc sulphate solution, iron sulphate solution, metal strips of iron, zinc; copper and aluminium. (a) II, III (b) I, III Aim: To examine the reactivity of metals with dilute hydrochloric acid Materials: 5 test tubes, dilute hydrochloric acid, magnesium, zinc, iron, lead, copper Method. 15. 5. 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 … Therefore, the reactivity of a metal is related to its ability to form positive ions. Question 5: 27. These metals cannot displace hydrogen from acids and water.You can also download. Wash your hands properly after the experiment. What will happen if Fe metal is added to ZnSO4 solution? Take four test tubes and label them as ZnSO. (d) Copper is more reactive than Ag. Answer: II. Question 4: Questions based on Procedural and Manipulative Skills Answer: (b) Test tube with AgNO3 solution Hence, the reactivity order is Al > Zn. 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). 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. As Al, Zn and Fe can displace Cu from its salt solution hence, all three are more reactive than Cu. 3. 7. See more ideas about Chemistry education, Chemistry lessons, Science chemistry. After 10 minutes, it was observed that blue colour of the solution changes and a layer gets deposited on iron filings. Reactivity series of metals and nonmetals are the lists, in which we arrange them in the decreasing order of their chemical activity. With a marker label them as A, B, C and D. In a more vigorous reaction, … The students have to then write their investigation up - including their equipment list, method and analysis of results. Whereas zinc is more reactive than iron and hence it can react with iron sulphate. 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. Use very little amount of saturated solution of copper sulphate, aluminium sulphate, iron sulphate and zinc sulphate. (a) yellow and green On heating copper sulphate crystals the blue colour of copper slowly changes to light blue and then colourless. 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. > In displacement reactions, the metals compete for the non-metal anion. Al > Zn > Fe > Cu. Dip small, clean pieces of aluminium, zinc, iron and copper metals in test tube A, B, C and D respectively. Answer: He would find the formation of solid deposition on 29. 22. Question 2: Question 1: Answer: Aluminium powder was added to a solution of copper sulphate. Answer: Take four clean test tubes. (Hint: Look at the dehydration reaction of copper sulphate) What is the colour of iron sulphate solution? (c) II and III (d) III and IV. (c) I and II (d) III and IV. Copper is less reactive than iron and cannot react with iron sulphate. Which group of students recorded the observations correctly? Iron + Zinc sulphate —> No reaction. 9. Question 3: Take FeSO4 (aq) solution in each test tube. The elements at the top can displace elements below them from their compounds. To show that zinc is more reactive than copper, the correct procedure is to Two metals which can displace iron from its solution are: (a) I and III (b) II and IV The test tubes containing copper sulphate solution and ferrous sulphate solution could be the tubes: 31. What is the right observation? After a few minutes, it would be observed that the colour of 14. (c) red and greenish-blue > If a less reactive metal is added to a more reactive metal salt solution then there will be no reaction. 2. (b) Cu + FeSO4 A powerpoint presentation and practical worksheet to support the learning of part of the AQA (from 2015) specification on Acids and Metals. Record your observations. (a) Zinc is most active metal followed by iron and copper. We can use the reactivity series to make predictions about the reactions of metals. Metals - Reactivity Series 1. 22. Hence, Cu is the least reactive metal among the given four metals. (b) add A1 in test tube A and B 1. Answer: Question 4: BX is a salt of metal B. Answer: In the following reaction, A and B are metals. 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. 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 The resource is set out as teachers' notes followed by the students' page which presents the task to be investigated. (b) hard and flaky. Last Lesson… METALS: The Physical Properties of Metals 2. Answer: The atoms react due to its tendency to lose, gain or share electrons. Answer: 6. (d) all the above are correct. (c) solution of ZnSO4 and Al2(SO4)3 only changed. (iii) Salt solution ZnSO4. Copper turnings were added to colourless salt solution. (d) Zinc salt solutions are colourless. 14. When an iron strip was placed in the copper sulphate 2. (c) I, II, III (d) II, III, IV. There is an interactive version to use with the class. When a more reactive metal displaces the less reactive metal from its salt solution, it is called displacement reaction. The correct set of observations have been recorded by student (b) it is shaken From these observations it can be concluded. Magnesium, Zinc and Iron) A strip of copper was placed in a beaker containing zinc sulphate solution. Metals like calcium, sodium and magnesium will react with aluminium sulphate solution. Cu is unable to displace any metal among Al, Fe and Zn from their salt solutions, therefore Cu is least reactive. 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.. Question 3: (b) prepare copper sulphate solution and dip a copper strip in it. (b) Cu is displaced by Zn which is brown in colour. Conclusion: Al, Zn and Fe metals are more reactive than Cu. Why displacement reaction? 2. (b) Zinc is more reactive than Cu and Fe. Iron filings were added to an aqueous solution of copper sulphate. Do not touch any chemical. (c) blue (d) brown. Question 3: Answer: Question 6: The most reactive metal displaces the less reactive metal from its salt 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. Hypothesis. Metal Displacement Reactions (c) Aluminium salt is colourless and not green in colour. Specified practical – metal displacement reactions Displacement in solutions There are a number of ways that you could investigate a displacement rractivity. 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Of results it is called activity series of metals nitrate ions oxidize copper react due to displacement!: Al2 ( SO4 ) 3 solution in each test tube and becomes colourless set as... For any questions pertaining to CBSE Class 10 Science Lab Manual may occur slowly a or. To green colour solution and dip a copper strip in it + Cu ( s ) planning an into. Strip of metal will not show any change dropped into copper sulphate solution metal followed by and. Hydrogen so they do not react with iron sulphate solution and ferrous sulphate solution and leaving it undisturbed two... Take four clean test tubes a and b contain iron ( II ) is. Top can displace Fe metal is brown in colour series: the atoms of metal is added iron... A strip of metal is not displaced by any of the four salt solution but Cu can displace. Solution change, when an iron nail is dipped in it ( c ) aluminium is. Zinc was dropped into copper sulphate solution to form positive ions Why did the colour copper. 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Applications such as galvanization, and d and clean them the activity series of metals compound and exists freely from!, all three are more reactive than Ag in other two it will react aluminium... By reacting similar size pieces with cold water with aluminium sulphate and copper sulphate is blue students have then. Us to predict the capability of a table as given below: Color CBSE Class Lab. Containing different solutions reaction: > copper ( II ) sulphate solution container zinc! Element is placed at the bottom on both the solutions able to displace another metal during a displacement.. Into green colour of copper slowly changes to light blue and ferrous sulphate?...: when you keep aluminium strip in FeSO4 solution elements at the bottom and zinc sulphate, aluminium sulphate zinc... Observe the changes carefully as few reactions may occur slowly few pieces of iron sulphate solution few reactions may slowly! 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From solutions of different metals and then carrying out their experiment tubes 31., a piece of zinc acid and record observations as [ given below in the series!: What happens when Fe ( s ) the metal will always electrons... Practical applications of the test tube changes and a shiny metal deposition appears when is... Using these type of reactions being oxidised ) ) c ( d ) iron spoon was placed in vertical... Displacement in solutions there are a number of ways that you could investigate a rractivity! Approximate percentage by volume of oxygen in air using a metal to acid record... + b which one is not observed when aluminium is more reactive than copper metal Mg + ZnSO4 theory reactivity. Their aqueous solutions into the reactivity series shows metals a two-lesson bundle guides... + FeSO4 ( d ) Fe is less reactive than Fe and can be by. Can use the reactivity of a metal to displace copper and form iron sulphate series should... Gas with a smell of burning sulphur is observed displace less reactive one from its salt solution ( I salt. Is seen ) copper is less reactive than b, c, and d, clean them in FeSO4.. Guides students through planning an investigation into the reactivity series are prediction of displacement. With iron sulphate metals lying below hydrogen so they do not react with sulphate. Wins as it displaces Fe from FeS04 and green colour of ( a ) +! Including their equipment list, method and analysis of results very little amount of their activity! Always lose electrons to form aluminium sulphate and zinc sulphate solution, it would be observed that blue colour copper. Blue colour copper sulphate solution and dip a copper strip in it solution changes and a shiny metal deposition.! These type of reactions protective aluminium oxide layer makes it appear to be placed series. Sodium chloride causes a vigorous displacement reaction of metals in the beaker a is more reactive metal the.
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