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Question

Write electrode reactions taking place in Lead Acid Accumulator .

Solution
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$$ Pb \rightarrow Pb^{2+} + 2e^- $$ (at anode)
$$ PbO_2 + SO_{4}^{2-} + 4H^+ + 2e^- \, \rightarrow \, PbSO_4 + 2H_2O $$ ( at cathode)

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