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Question: Answered & Verified by Expert
When a lead storage battery is discharged;
ChemistryElectrochemistryJIPMERJIPMER 2017
Options:
  • A $\mathrm{SO}_2$ is evolved
  • B lead sulphate is consumed
  • C lead is formed
  • D sulphuric acid is consumed
Solution:
1310 Upvotes Verified Answer
The correct answer is: sulphuric acid is consumed
$\mathrm{H}_2 \mathrm{SO}_4$ is consumed during discharging of lead storage battery as, Pb changes to $\mathrm{PbSO}_4$, and $\mathrm{PbO}_2$ changes to $\mathrm{PbSO}_4$.

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