Which of the following reactions occur at the cathode during the charging of lead storage battery ?

Options

A. `Pb^(2+) + 2e^(-) rArr Pb`
B. `Pb^(2+) + SO_(4)^(-2) rArr PbSO_(4)`
C. `Pb rArr Pb^(2+) + 2e^(-)`
D. `PbSO_(4)(s) + 2H_(2)O rArr PbO_(2)(s) + 4H^(+) + SO_(4)^(-2) + 2e^(-)`

Answer

A

Explanation

Regeneration of `H_(2)SO_(4)` takes place