JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 25 July 2022, Shift 1, Chemistry Q68

Question 68 of 90 in this shift, Chemistry question 8 of 30, Section A.

The reaction of

\mathrm{H_2O_2}

with potassium permanganate in acidic medium leads to the formation of mainly :

(1) $\mathrm{Mn^{2+}}$ Official answer
(2) $\mathrm{Mn^{4+}}$
(3) $\mathrm{Mn^{3+}}$
(4) $\mathrm{Mn^{6+}}$

Official answer

Option 1

NTA final key (2022 Session 2).

Chapter: The d- and f-Block Elements
Topic: d-Block Elements
Idea tested: Specific KMnO4 Oxidations in Acidic Medium

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.