Question

In recharging a lead-acid accumulator, the reaction at the cathode can be represented as

Accepted Answer

Pb(s) → Pb2+(aq) + 2e-

Answer

Pb2+(aq) + SO2-4(aq) →PbSO4(s)

Answer

Pb2+(aq) + 2e- →Pb(s)

Answer

Pb2+(aq) + 2H2O(l) → PbO2(s) + 4H+(aq) + 4e-