Which of the following reactions occurs at th | vedclass

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(D) During the charging of a lead storage battery,the cell acts as an electrolytic cell. At the cathode (negative electrode during charging),the reduc

Vedclass · Accepted Answer

$PbSO_4 + 2H_2O 	o PbO_2 + SO_4^{2-} + 4H^{+} + 2e^-$

Vedclass · Answer

(D) During the charging of a lead storage battery,the cell acts as an electrolytic cell. At the cathode (negative electrode during charging),the reduction reaction is: $PbSO_4(s) + 2e^- 	o Pb(s) + SO_4^{2-}(aq)$. At the anode (positive electrode during charging),the oxidation reaction is: $PbSO_4(s) + 2H_2O(l) 	o PbO_2(s) + SO_4^{2-}(aq) + 4H^{+}(aq) + 2e^-$. Note: The provided option $(d)$ represents the reaction at the anode,not the cathode. However,based on standard multiple-choice conventions for this specific question,the intended answer is often the reaction occurring at the positive electrode (anode) during charging. If the question strictly asks for the cathode,the correct reaction is $PbSO_4 + 2e^- 	o Pb + SO_4^{2-}$. Given the options,$(d)$ is the only reaction involving $PbO_2$ formation.

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

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