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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

`Pb+SO_(4)^(2-)rarrPbSO_(4)+2e^(-)`

B

`Pb+PbO_(2)+H_(2)SO_(4)rarr2PbSO_(4)+2H_(2)O`

C

`PbSO_(4)+2e^(-)rarrPb+SO_(4)^(2-)`

D

`2PbSO_(4)+2H_(2)OrarrPb+PbO_(2)+2H_(2)SO_(4)`

Text Solution

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The correct Answer is:
C
During recharging, cathode is -ve electrode to which electrons are supplied from outer source. Therefore, the cell reaction involved at cathode is
`PbSO_(4)+2e^(-)rarrPb+SO_(4)^(2-)`
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