Question:
Write the net cell reaction during discharging of a lead accumulator.
Write the net cell reaction during discharging of a lead accumulator.
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Lead-acid batteries work on reversible redox reactions and are used in vehicles and backup power systems.
Updated On: Oct 29, 2025
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Solution and Explanation
During discharging, lead \( (\text{Pb}) \) acts as the anode, and lead dioxide \( (\text{PbO}_2) \) acts as the cathode in a sulfuric acid medium.
\[
\text{Pb} + \text{PbO}_2 + 2H_2SO_4 \rightarrow 2PbSO_4 + 2H_2O
\]
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