1. Galvanised iron
2. No. Since the reduction potential of chlorine is greater than that of copper,chlorine reacts with copper to form cuprous chloride.
E°(Cl2/Cl-) > (E°(Cu2+/Cu))
3. E°cell = \(\frac{2.303RT}{nF}logK_c\)
where E°cell is the standard cell potential (E°cell = E°cathode – E°anode and Kc is the equilibrium constant of the cell reaction.