Question

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

Answer 1

Answer:

because iron is more reactive than copper !!!!!!!!!

Answer 2

Answer:

colour of copper sulphate solution changes when an oron nail is dipped in it as iron is more reactive than copper so it displaces copper from the solution and forms iron sulphate solution of reddosh brown colour.

CuSo4 +Fe _ FeSo4 + Cu