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The electrode reactions for charging of ...

The electrode reactions for charging of a lead battery are :
`PbSO_(4)+2e rarr Pb+SO_(4)^(2-)`
`PbSO_(4)+2H_(2)O rarr PbO_(2)+SO_(4)^(2-)+4H^(+)+2e`
The electrolyte in the battery is an aqueous solution of `H_(2)SO_(4)`. After this battery has been charged:

A

the sulphuric acid will be more concentrated

B

the sulphuric acid will be less concentrated

C

the concentration of `H_(2)SO_(4)` will be unchanged

D

`H_(2)SO_(4)` will have been completely decomposed

Text Solution

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The correct Answer is:
A
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