Question

please answer the question no 4

Answer 1

a)The colour of the iron nail changing indicates that a chemical reaction has occurred between the CuSO4 Solution and the iron nail.

b) this is an example of displacement reaction.

c) as iron nail displaces copper from its solution, iron is more reactive than copper.

d) as copper is less reactive than iron it cannot displace iron from its solution and thus there will be no reaction.

e) Fe+CuSO4=FeSO4+Cu

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