Question

Why does the colour of copper sulphate solution change when
an iron nail is dipped in it?​

Answer 1

Answer:

Reddish Brown

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Answer 2

Answer:

The colour of copper sulphate solution changes when

an iron nail is dipped in it because of displacement reaction.

Explanation:

The reaction is :

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

When compared with Iron, copper is less reactive and that's why Iron displaces Copper from its compound.

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