Question

what does the colour of copper sulphate solution changes when the iron nail is dipped in it write chemical equation for the reaction involved in it​

Answer 1

Heya mate here is your answer:-

●Blue to pale green is the change in colour.

Chemical equation:-

Fe + CuSO4 -------> FeSO4 + Cu

⭕Hope this helps you..

Answer 2

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When an iron nail dipped in the copper sulphate solution than iron displaces copper from the copper sulphate because iron is more reactive than copper. Therefore the colour of the copper sulphate solution changes.

The reaction involved here is:

Fe (s) + CuSO4 (aq) → FeSO4 (aq) + Cu (s)