The electrode A is a cathode. This is because it is negatively charged electrode and it attracts cations, or we can say it is positively charged. The reaction occurs at the cathode Zn2+ +2e⇒Zn Anode reaction is 2CL- ⇒CL2+2e- The overall reaction will be Zncl2(l) which completely disassociates then it is zn∧2+(l)+2cl∧-(l).
