Question

why do the colour and solution of copper sulphate change change when we take a solution of copper sulphate in a breaker put and iron nail in it?​

Answer 1

Explanation:

The Fe displaces the Cu from CuSO4 solution in beaker A as Fe is more reactive than Cu. 

Therefore the blue colour of the solution changes to green due to the formation of FeSO4.

In beaker B, no reaction takes place as Cu being less reactive cannot displace Fe from FeSO4 solution.

Answer 2

Explanation:

When an iron nail immersed in the solution of copper sulphate than iron displaces copper from the solution of copper sulphate because iron is more reactive than copper.

Therefore copper sulphate solution colour changes from blue to pale green....

hope this will help you.

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