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Which of the following reactions occurs ...

Which of the following reactions occurs at the anode during the recharging of lead storage battery ?

A

`PbSO_(4) + 2H_(2)O to PbO_2 + SO_(4)^(2-) + 4 H^+ + 2e^-`

B

`PbO_2 + 4H^+ + SO_(4)^(2-) + 2e^- to PbSO_(4) + 2 H_(2)O`

C

`PbSO_(4) + 2e^(-) to Pb + SO_(4)^(2-)`

D

`Pb + SO_(4)^(2-) to PbSO_(4) + 2e^(-)`

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