Question

Why holes are seen in iron pot after few days when copper sulphate solution in kept in it?

Answer 1

Holes are seen in iron pot after few days of keeping copper sulphate solution in it because iron displaces copper from its salt solution and copper is deposited. So the iron taken for displacement is not returned back and so holes are formed in the iron pot.

Answer 2

Holes are seen in iron pot after few days when copper sulphate solution in kept in it