Why do they differ in this property?

93 Give the names and formulae of one metal chloride and one non- metal chloride. 93 State an important property in which these metal chloride and non-metal chloride differ. 94 In a solution of lead acetate, a strip of metal M was dipped. After some time, lead from the solution was deposited on the metal strip. Which metal is more reactive, M or lead? 95 CuSO₄ (aq) + Fe (s) → FeSO₄ (aq) + Cu (s)

FeSO₄ (aq) + Zn (s) → ZnSO₄ (aq) + Fe (s)

On the basis of the above reactions, indicate which is most reactive and which is least reactive metal out of zinc, copper and iron.