Question

why is the colour of copper sulphate solution turned light green when iron nail kept into it​

Answer 1

Explanation:

when iron nail are added in Cooper sulphate then more reactive iron displaces copper and form iron sulphate which is green in colour

Hope it helps........

Answer 2

Answer:

displacement reaction occurs

Explanation:

since iron is more reactive than copper, displcement reaction occurs in which iron displaces copper from copper sulphate solution anddue to this reaction the colour of the solution becomes green