1.

Which of the following is the reduction half-reaction for a lead storage battery ?

Answer»

`PbO_(2(s))+H_(2)SO_(4)+2H^(+)+2e^(-) to PbSO_(4(s))+2H_(2)O`
`Pb_((s))+H_(2)SO_(4) to PbSO_(4(s))+2H^(+)+2e^(-)`
`Pb_((s))+PbO_(2(s))+H_(2)SO_(4(s)) to 2PbSO_(4(s))+2H_(2)O`
`2PbSO_(4(s))+2H_(2)O to Pb_((s)) +PbO_(2(s))+2H_(2)SO_(4)`

ANSWER :A


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