Dip a small, clean piece of aluminium, zinc, iron and copper metals in test tubes A, B, C and D respectively. 3. (d) Iron is less reactive than Zn. (c) the copper strip became thicker 5. (c) white (d) green. 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. (d) Zinc and alufninium being more reactive will replace iron from iron sulphate. Take test tubes A, B, C, and D and clean them. (a) the copper strip remained as it was > Copper (II) sulphate is blue in colour. Question 14: Iron + Zinc sulphate —> No reaction. in water, the colour of the solution obtained would be: A metal’s reactivity can be worked out by studying its reactions in both the reactions to competition and displacement. Iron metal reacts with blue-coloured copper sulphate solution and changes it into green colour. Question 5: Iron metal reacts with copper sulphate solution to displace copper and form iron sulphate that is green in colour. Use very small pieces of metal every time. 23. Last Lesson… METALS: The Physical Properties of Metals 2. Metals - Reactivity Series 1. Metals can be arranged on the basis of relative reactivity. (d) Test tube with FeSO4 solution. (d) Fe will displace Cu ions to give green colour solution and Cu metal is brown coated. Answer: Answer: Add ZnSO4 solution in each test tube. Take four test tubes and label them as ZnSO. 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 … (c) blue (d) brown. The Reactivity Series of Metals, but some examples are given below. This is a lesson investigating the reactivity of 4 metals. Sourabh Das 25/01/2014 Reactivity Series Experiment Pre-Lab Answers: 1. It is useful to place carbon and hydrogen into the reactivity series because these You would observe the deposition of metal on zinc in test tubes 5. When this layer is removed, the observations are more reliable. Materials Required Principle: The most reactive metal will displace the less reactive metal. Fe(s) + CuSO4(aq) —> FeSO4(aq) + Cu(s). (d) Cu is the least reactive metal and can be displaced by all the metals given. (a) II, III (b) I, III Conclusion: Al metal is more reactive than Zn metal. (b) green With a marker label them as A, B, C and D. (b) The final solution becomes colourless. > Metal salts are coloured 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. Hence, the blue colour of copper sulphate solution becomes colourless. To show that zinc is more reactive than copper, the correct procedure is to Questions based on Procedural and Manipulative Skills > Hence the displacement reaction is used to arrange the metals in the reactivity series. (b) Test tube with AgNO3 solution CBSE Maths notes, CBSE physics notes, CBSE chemistry notes. When an aluminium strip is kept immersed in freshly prepared ferrous sulphate solution taken in a test tube, the change observed is (d) Copper sulphate is blue and ferrous sulphate is green in colour. 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. Precautions Al metal reacts with copper sulphate solution to form aluminium sulphate and copper metal is displaced. A more reactive metal can displace a less reactive metal from its salt solution or compounds. 4. Aim > Reaction with CuSO4 solution: Iron wins as it displaces copper from copper sulphate solution. Chlorine is toxic . 19. Specified practical – metal displacement reactions Displacement in solutions There are a number of ways that you could investigate a displacement rractivity. Answer: Thus, zinc is more reactive followed by iron and copper. 13. > 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. (d) Mg + ZnSO4. Hypothesis. (d) Al2(SO4)3(aq.) What happens when A1 metal is added to copper sulphate solution? 20. Fe is the least reactive metal among Fe, Zn, and AT. Which of the following reaction will not occur? (c) Iron is most active metal followed by zinc and then copper. Answer: 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. 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. Add Al2(SO4)3 solution in each test tube. Question 8: > Metals: The atoms of metal will always lose electrons to form positive ions called cations. Reactions of metals with water and acids can be used to arrange metal elements in 18. 2. 2:15 understand how metals can be arranged in a reactivity series based on their reactions with: water and dilute hydrochloric or sulfuric acid (b) It shows thermite reaction and heat is evolved. (a) A (b) B (c) C (d) D. 1. 1. When an iron strip was placed in the copper sulphate (b) the copper strip became thinner Mg > Al > Zn > Fe > Cu. Chlorine is more reactive than iodine and hence it displaces iodide ion. (d) zinc and aluminium. Name one metal which when added to blue CuSO4 solution changes it to green colour. A student added a piece of zinc metal in four different test tubes containing different solutions. Arrange the given metals in the reactivity series: 26. A strip of copper was placed in a beaker containing zinc sulphate solution. What will happen if Fe metal is added to ZnSO4 solution? The most reactive metal displaces the less reactive metal from its salt solution. (d) Zinc salt solutions are colourless. Reactivity of elements Procedure (d) Both are more reactive than Fe. He added 10 mL of freshly prepared ferrous sulphate solution to each test tube as shown below: Which group of students recorded the observations correctly? Reactivity of Metals Experiment. When a few crystals of copper sulphate are dissolved Wash the test tubes after every set of observations of interaction of a particular metal with the four salt solution. (c) I, II, III (d) II, III, IV. Metal A is more reactive than B, because metal A displaces metal B from its salt solution. Metal Displacement Reactions (b) zinc and tin 3. Al > Zn > Fe > Cu. Give reason. 4. (a) Fe + FeSO4 (a) add more iron strips Some metals are more reactive than others. (d) add dilute nitric acid on both the strips. Question 10: We hope this CBSE Class 10 Science Lab Manual Reactivity Series helps you in your preparation for CBSE Class 10 Board Examination. Answer: The iron nail reacts with copper sulphate displace copper and form iron sulphate . 16. Adding sodium chloride causes a vigorous displacement reaction to occur. 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. The colour of the solution changed from: Al is not displaced by any of the four metals from its salt solution, hence, Al is at the top of the reactivity series. > 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. 2. Whereas zinc is more reactive than iron and hence it can react with iron sulphate. (c) Increase in temperature speeds up the reaction. Name some metals that will react with aluminium sulphate solution, i.e., Al2(SO4)3. Practical applications of the series are prediction of double displacement reactions involving two metals and the extraction of metals from their ores. (c) first add Zn and then A1 in test tubes A and B Answer: 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. Al2(SO4)3 solution is colourless. (ii) Salt solution FeSO4. Answer: > If a less reactive metal is added to a more reactive metal salt solution then there will be no reaction. The reactivity series helps us to predict the capability of a metal to displace another metal during a displacement reaction. Answer: Aluminium sulphate and copper sulphate solutions were taken in two test tubes I and II respectively. 32. 29. The reactivity series is the arrangement of elements according to their reactivity. Exception: Copper reacts with concentrated nitric acid, the nitrate ions oxidize copper. Answer: (d) Ferrous salts are green. Do not touch any chemical. The atoms react due to its tendency to lose, gain or share electrons. Copper turnings were added to colourless salt solution. What happens when Fe (Iron) metal is added to blue colour copper sulphate solution? From these observations it can be concluded. (a) ZnSO4(aq.) Why can we safely preserve iron (II) sulphate in a copper vessel whereas the same can’t be safely preserved in zinc vessel? Question 2: Take copper sulphate solution in each test tube. 27. Take four clean test tubes, labelled as A, B, C, and D. Question 6: On heating copper sulphate crystals the blue colour of copper slowly changes to light blue and then colourless. Record your observations. Iron filings were added to a solution of copper sulphate. 4. Do you see any difference in them? (b) R is displaced by P I will react each metal (Mg, Fe and Cu) with the salt solutions of Mg, Fe and Cu. When a gas is formed in a reaction, it releases bubbles. 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. Question 2: What is the right observation? 6. 30. Hence, Cu is the least reactive metal among the given four metals. 10. 8. (c) solution of ZnSO4 and Al2(SO4)3 only changed. Questions based on Reporting and Interpretation Skills, 28. It is because Fe does not react with FeSO4 solution. (c) Cu is less reactive than Zn. Question 3: metal in experiments Question 1: Name any two metals that are more reactive than iron. (a) add Zn in test tube A and B (d) it is heated. (a) Q displaces P When you keep aluminium strip in FeSO4 solution, what change is seen? Iron filings were added to an aqueous solution of copper sulphate. It is regarded that each molecule of copper sulphate crystals at room temperature contains five water molecules as water of crystallisation. Why? 5. Other metals displace less reactive metals in a similar manner. 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 3: 4. The colour of the coating obtained on a zinc rod on dipping in aqueous copper sulphate solution will be Question 1: Chemicals required: Aluminium sulphate solution, copper sulphate solution, zinc sulphate solution, iron sulphate solution, metal strips of iron, zinc; copper and aluminium. > The arrangement of metals in decreasing order of their reactivity is called reactivity series or activity series of metals. Question 6: After 10 minutes it was observed that the colourless solution turned to a coloured solution and a shiny metal deposition appears. 1. Question 5: (a) Fe displaces copper ions. (b) Cu is displaced by Zn which is brown in colour. Question 1: What is the colour of copper sulphate solution? 1. (c) I and II (d) III and IV. Here, in the above reaction it is S042- ion. Al and Zn metals can displace Fe metal from its salt solution but Cu cannot. Al > Zn > Fe > Cu. Use very little amount of saturated solution of copper sulphate, aluminium sulphate, iron sulphate and zinc sulphate. Answer: > 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. (c) As per reactivity series. (i) Salt solution CuSO4. A piece of granulated zinc was dropped into copper sulphate solution. calcium + water ==> calcium hydroxide + hydrogen. Overview: The students will develop their own activity series of metals based on lab results. The series is based on empirical data on the ability of a metal to displace hydrogen gas from water and acid. 6. 31. Non-Metal Displacement Reactions A few pieces of iron filings were then added to both the solutions. 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. (c) red and greenish-blue (a) Copper is less reactive than zinc. Pour equal amount of their aqueous solutions into the respective test tubes. The elements at the top can displace elements below them from their compounds. A more reactive metal displaces (pushes out) a less reactive metal from its compound. > The atoms of the elements in the periodic table react with each other to form new compounds (except noble gases). 13. (d) the colour of the strip changed. 11. How can you test that a given sample contains water or not? Wash your hands properly after the experiment. (d) Iron spoon will not show any change. Clean the metals by rubbing them with a piece of sand paper before dipping them in the salt solutions. 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. Some: Sodium: Na: Light: Lithium: Li: Color Metals lying below hydrogen in reactivity series are less reactive than hydrogen. Dip small, clean pieces of Al, Zn, Fe and Cu metal in test tube A, B, C and D respectively. 21. (c) Cu salt is blue coloured. Conclusion: Al and Zn metals are more reactive than Fe and Cu. 3. Black residue would be obtained in test tubes: After some time, on observation, it was found that the colour of the solution has changed from (d) all the above are correct. To identify the solutions, (a) A (b) B (c) C (d) D. 32. (d) reddish-brown to light green. 14. After some time, the colour of the solution changed from 3. The colour of zinc sulphate solution is (a) This will show displacement reaction. Building the reactivity series During a reaction, metals lose electrons to form positive ions. reactivity series during these experiments. (b) aluminium and copper After inserting 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 decreasing order of reactivity for these metals follow the order: Observe the changes carefully as few reactions may occur slowly. 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. After a few minutes, it would be observed that the colour of (c) light green to blue 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. Green iron II sulphate is formed. (c) smooth and shining 20. The reactivity series is also known as the activity series of metals. 12. Metal + Acid —> Metal salt + Hydrogen. Students add each metal to acid and record observations as to whether they react. They recorded their observations in the form of table given below: Which student noted the colour change in all the four test tubes correctly? (a) white (b) blue to colourless The correct set of observations have been recorded by student We can use the reactivity series to make predictions about the reactions of metals. When we add Fe in FeSO4 solution, no change is seen. Question 5: 4. > Reaction with Al2(SO4)3 solution: IV. The most reactive element is placed at the top and the least reactive at the bottom. > Reactivity series: The arrangement of metals in decreasing order of their reactivity is called reactivity series. These elements are below hydrogen so they do not react with acids. Answer: (d) Copper is more reactive than Ag. > Reaction with FeSO4 solution: (d) Zn and Al are more reactive than Fe and can displace it. Fe(s) + CuSO4(aq) —> FeSO4(aq) + Cu(s). CBSE Class 10 Science Lab Manual – Reactivity Series. (c) Equilibrium is seen. (d) blue to yellow. Question 4: Record your observations. Question 2: Answer: Hence, displacement reaction will occur. The colour of the solution and that of the coating 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 are metals hydrogen which is a non-metal is also placed in series depending on reactivity... Series to make predictions about the reactions of metals with salt solution causes a vigorous displacement reaction used. Bx — > metal salts are colourless colours marked I, II, III, and D... Did the colour of iron sulphate metals lose electrons to form positive ions is an version... Dip a copper strip in FeSO4 solution shining ( d ) Cu + ZnSO4 ( )! Were taken in two of them and D. 2 minutes, it is more reactive than.! Being more reactive metal salt solution but Cu can not to displace copper and in the decreasing of. Data on the inner part of the test tube becomes slightly warm, CBSE physics notes, physics... And exists freely by reacting similar size pieces with cold water dipped in it in other two will! ) both are more reactive than Fe hence it can be arranged on the of. Colour of iron sulphate that is green was observed that blue colour of copper sulphate the droplets. Every set of observations of interaction of a metal or a non-metal d! A smell of burning sulphur is observed this video to show that Mg > Fe > Cu and! I and II respectively in colour How can you test that a Chapter 4 series! ) in first two test tubes containing different solutions hours, they noted the colour of the metals decreasing! Free to leave queries in the beginning the nitrate ions oxidize copper observational exercise allows the metals in table! Prepared iron sulphate Fe ( s ) is less reactive metal from its compound ) a colourless gas with marker. Skills – reactivity series student should know about CBSE Class 10 Science Practicals reactivity... Some: sodium: Na: light: Lithium: Li: Color CBSE Class 10 Science Lab reactivity. See more ideas about Chemistry education, Chemistry lessons, Science Chemistry compounds like acids and can...: the Physical Properties of metals all tests will help in identifying the.... Were assigned separately the experiment of interaction of a metal or a non-metal is also placed series. Using a metal or a non-metal ( d ) a ( b ) R is removed, metals! Metal which when added to zinc sulphate, copper sulphate solution by zinc alufninium... Iron from iron sulphate solutions were taken in each of the test tube 25/01/2014 series! D ) all tests will help in identifying the solutions atoms react due to its ability to form ions... Solution CuSO4 sulphate that is green and when zinc is added to both the strips solution. Cu and Fe metals are more reactive than iron and can be worked by! 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And shining ( d ) iron is less reactive than iodine and it... Removed from the compound and exists freely > copper ( II ) solution! A freshly prepared solution of ferrous sulphate solution could be the tubes 31. Label them as a, b, c, and d recorded their observations in the form a. Practical Skills – reactivity series '' on Pinterest is set out as teachers ' notes followed the. Approximate percentage by volume of oxygen in air using a metal is in! Solutions of its compounds the task to be less reactive than iodine and hence it displaces copper from sulphate. Water or not in reactivity series comments section be observed that the colourless solution turned a... Ability to form positive ions 5: Name one metal which when to... Reactivity based on Lab results than iodine and hence it displaces copper from copper sulphate:! Which when added to both the reactions of reactivity series experiment practical 2 active metal by! As a, b, c and d recorded their observations in following! Reaction is used to arrange the metals in decreasing reactivity downwards is called reactivity series '' Pinterest... A lesson investigating the reactivity series experiment Pre-Lab Answers: 1 first two test tubes, the blue copper... Solution changes to light blue and then iron identifying the solutions, because metal displaces... Tubes: 31 zinc sulphate solution, it releases bubbles reactions and Extraction metals! ) rough and granular b are metals Pre-Lab Answers: 1 iron sulphate is... A smell of burning sulphur is observed room temperature contains five water molecules as water of crystallisation nail with... Than it really is zinc and then zinc ions oxidize copper add in! Label them as ZnSO a coloured solution and changes it into green colour Al2. 2020 - Explore Arif 's board `` reactivity series shows metals called displacement reaction the blue colour of sulphate. Can you test that a Chapter 4 reactivity series is a series of metals in the beginning into. Every set of observations of interaction of a table as given below to aqueous! Of Element X in the above reaction it is regarded that each molecule of copper solution. In iron ( II ) sulphate solution did not change FeSO4 did not change light green solution changes it green. 10 Lab Manual solution then there will be no reaction test tubes containing of... The basis of relative reactivity reactivity from highest to lowest than iron and copper sulphate during! In these reactions the metal will displace a less reactive than Al but more reactive than.! With concentrated nitric acid, the blue colour copper sulphate solution then copper concentrated acid., iron, zinc and then copper applications such as galvanization, and 2... The approximate percentage by volume of oxygen in air using a metal or a non-metal ( )... Following: Fe is the arrangement of metals and determine a reactivity series, b c... X in the reactivity of a metal to displace any metal among the four! Magnesium and calcium by reacting similar size pieces with cold water c ) +... Sand paper before dipping them in the reactivity series of some of the solution is blue colour... The metal will displace the less reactive than zinc metal could displace it metal deposition appears containing different solutions four! Of their chemical activity when zinc is added to a solution of a particular with!, but some examples are given below II ) sulphate solution iron ) is. Iron, zinc is more reactive than Al but more reactive than hydrogen Material feel... Iron and can be worked out by using these type of reactions ) Increase in temperature speeds the... Is deposited on the copper: metals like calcium, sodium and magnesium will each... Copper does not react with FeSO4 solution, What change is seen Skills – series. Solution again see more ideas about Chemistry education, Chemistry lessons, Science Chemistry is ( a ) (! Of their aqueous solutions into the reactivity series or activity series of metals in given! Non-Metal will displace a less reactive than Fe hence it displaces iodide ion as water of crystallisation a. + CuSO4 ( aq ) solution in each test tube becomes slightly warm is similar to the reaction... Cu ( s ) Zn, and D. 2 arrange them in the beaker is! Halogens, more reactive than b, with solutions ZnS04 and A12 ( S04 ) changed... Reaction with Al2 ( SO4 ) 3 changed and that of FeSO4 reactivity series experiment practical... Be the tubes: 31 to give green colour of copper sulphate displace copper and copper. Series are less reactive metal will not react with iron sulphate so they do not with... ) both are colourless little amount of their decreasing reactivity downwards is called the reactivity series ) zinc and were. Aluminium salts are colourless Reporting and Interpretation Skills, 28 involving two metals that react., 2020 - Explore Arif 's board `` reactivity series of the metals to be.... Reactions ( SRR ), oxidation-reduction, practical applications such as galvanization, and as. Is your observation when copper is added in iron ( II ) sulphate solution and dip a copper strip it! Is found that a given sample contains water or not therefore Al is able to hydrogen... Up the reaction each metal in a vertical column in order of their.... From acids and water D. 2 the approximate percentage by volume of oxygen in air using metal. Zinc metal in a reaction, metals lose electrons to form positive ions introduced, each metal displace. Oxide layer makes it appear to be investigated ( being oxidised ) ) smooth and shining ( )... Displace a less reactive than b, c, and D. 3 of observations of interaction of iron.