when iron nail are kept in the solution of copper sulphate the colour of solution changes in

when iron nail are kept in the solution of copper sulphate the colour

1.	when iron nail are kept in the solution of copper sulphate the colour of solution changes in
Answer» The blue colour of copper sulphate fades, and the nail becomes brown this because a layer of copper gets deposited over the surface of the iron nail . Iron is more reactive than copper so,it displaces copper form solution of cpper sulphate and the colour changes from blue to green due to formation of iron sulphate