Which of the following reactions occur at the cathode during the charging of lead storage battery ?A. `Pb^(2+) + 2e^(-) rarr Pb`B. `Pb^(2+) + SO_(4)^(2-) rarr PbSO_(4)`C. `Pb rarr Pb^(2+) + 2e^(-)`D. `PbSO_(4) + 2H_(2)O rarr PbO_(2) + 4H^(+) + SO_(4)^(2-) + 2e^(-)`

Which of the following reactions occur at the cathode during the charg

1.	Which of the following reactions occur at the cathode during the charging of lead storage battery ?A. `Pb^(2+) + 2e^(-) rarr Pb`B. `Pb^(2+) + SO_(4)^(2-) rarr PbSO_(4)`C. `Pb rarr Pb^(2+) + 2e^(-)`D. `PbSO_(4) + 2H_(2)O rarr PbO_(2) + 4H^(+) + SO_(4)^(2-) + 2e^(-)`
Answer» Correct Answer - D

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What are elementary reactions ?

Which of the following reactions occur at the cathode during the charging of lead storage battery ?A. `Pb^(2+) + 2e^(-) rarr Pb`B. `Pb^(2+) + SO_(4)^(2-) rarr PbSO_(4)`C. `Pb rarr Pb^(2+) + 2e^(-)`D. `PbSO_(4) + 2H_(2)O rarr PbO_(2) + 4H^(+) + SO_(4)^(2-) + 2e^(-)`

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