Chemistry · 2022
JEE Main · 29 July 2022, Shift 1 · Q70
In neutral or faintly alkaline medium, KMnO_4 being a powerful oxidant can oxidize, thiosulphate almost quantitatively, to sulphate. In this reaction…
In neutral or faintly alkaline medium, $\displaystyle \mathrm{KMnO}_4$ being a powerful oxidant can oxidize, thiosulphate almost quantitatively, to sulphate. In this reaction overall change in oxidation state of manganese will be :
Official answer
(4)
$\displaystyle 3$
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.