Question

when an iron nail is placed in blue color CuSO4 solution it gradually turns to green color due to formation of which solution

Answer 1

Answer:

Iron is more reactive than copper. Hence it displaces copper from copper sulphate and due to formation of FeSO4, the colour changes from blue to green.

Answer 2

Explanation:

Copper Sulphate Solution

Copper Sulphate SolutionWhen an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green.