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MCQEasyJEE Main 2025 · 4 April, Shift 1Batteries & Fuel Cells

Chemistry Question from JEE Main 2025 · 4 April, Shift 1

On charging the lead storage battery, the oxidation state of lead changes from x1\mathrm{x}_{1} to y1\mathrm{y}_{1} at the anode and from x2\mathrm{x}_{2} to y2\mathrm{y}_{2} at the cathode. The values of x1,y1,x2,y2\mathrm{x}_{1}, \mathrm{y}_{1}, \mathrm{x}_{2}, \mathrm{y}_{2} are respectively:

  • A

    +4,+2,0,+2+4,+2,0,+2

  • B

    +2,0,+2,+4+2,0,+2,+4

  • C

    0,+2,+4,+20,+2,+4,+2

  • D

    +2,0,0,+4+2,0,0,+4

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