On charging the lead storage battery, the oxidation state of lead changes from ${x}_{1}$ to ${y}_{1}$ at the anode and from ${x}_{2}$ to ${y}_{2}$ at the cathode. The values of ${\mathrm{x}}_{1},{\mathrm{y}}_{1},{\mathrm{x}}_{2},{\mathrm{y}}_{2}$ are respectively

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Correct answer: b) +2,0,+2,+4. On charging , lead storage battery PbSO 4 → Pb at anode PbSO 4 → PbO 2 at cathode

On charging the lead storage battery, the oxidation state of lead changes from \({x}_{1}\) to \({y}_{1}\) at the anode a…

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