Question

Metal which gets displaced when iron nail is kept in aqueous solution of Copper Sulphate?

Answer 1

When iron nails are kept dipped in copper sulphate solution for about 30 minutes, the blue colour of the aqueous copper sulphate would slowly fade to become green and a brown deposition would be seen on the iron nails

Answer 2

The metal which gets displaced when iron nail is kept in aqueous solution of copper sulphate is copper because Iron is highly reactive.