Question

Explain displacement reactions with the help of an activity

Answer 1

Explanation:

Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound. Both metals and non-metals take part in displacement reactions. Example : Reaction of iron nails with copper sulphate solution.

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Answer 2

Answer:

Activity to observe displacement reaction

Explanation:

Aim – To observe a displacement reaction.

Materials required – Copper sulphate, test tubes, some iron nails.

Procedure – Take solution of copper sulphate (CuSO4) in a test tube. Put some iron nails into this solution.

Observation – After sometime the colour of the solution changes into green and there is reddish brown deposition on the nails.

Fe + CuSO4 – Cu + FeSO4

Iron + Copper Sulphate (Blue) – Copper + Ferrous Sulphate

Conclusion – Thus, we conclude that Iron being more reactive displaced copper from copper sulphate solution and forms ferrous sulphate.

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