Question

write cell reaction in lead storage battry during discharge

Answer 1

At anode: (oxidation) Pb + SO42–→PbSO4(s) + 2e–

At cathode: (reduction) PbO2(s) + 4H++ SO42–+ 2e– → PbSO4(s) + 2H2O

Net cell reaction: Pb + PbO(s) + 4H+ + 2SO42– → 2PbSO4(s) + 2H2O