Question

A zinc plate was put into a solution of copper sulphate kept in a glass container. it was found that blue color of the solution gets fader and fades with the passage of time. after few days when zinc plate was taken out of the solution, a number of holes were observed on it. (a) state the reason for changes observed on the zinc plate. (B) write the chemical equation for the reaction involved.

Answer 1

changes were due to displacement reaction .copper is displaced by zinc.
CuSO4 + Zn - ZnSO4 + Cu