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Chemistry · 2025 · 1 mark
CBSE 2025 · Region 1 · Set 1 · Q4
Acidified KMnO_4 oxidises sulphite to
Acidified $\displaystyle \mathrm{KMnO}_{4}$ oxidises sulphite to
Official answer
(D)
$\displaystyle \mathrm{SO}_{4}^{2-}$
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CBSE Class 12 Chemistry past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.