Chemistry · 2025
JEE Main · 4 April 2025, Shift 1 · Q56
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…
On charging the lead storage battery, the oxidation state of lead changes from $\displaystyle x_1$ to $\displaystyle y_1$ at the anode and from $\displaystyle x_2$ to $\displaystyle \mathrm{y}_2$ at the cathode. The values of $\displaystyle x_1, y_1, x_2, y_2$ are respectively:
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle +2,0,+2,+4$
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.