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Which of the following reactions occurs...

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

A

`Pb^(2+) + 2e^(-) rarr Pb`

B

`Pb rarr Pb^(+) + 2e^(-)`

C

`Pb^(2+) + SO_(4)^(2-) rarr PbSO_(4)`

D

`PbSO_(4)+2H_(2) rarr PbO_(2)4H^(+) + SO_(2)^(2-) + 2e^(-)`

Text Solution

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The correct Answer is:
A
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