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JEE Main 2021 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 4 August 2021, Shift 2, Chemistry Q34

Question 34 of 90 in this shift, Chemistry question 4 of 30, Section A.

\mathrm{H_2O_2}

reacts with

\mathrm{MnO_4^-}

in basic medium to produce

(1) $\mathrm{Mn_2O_3}$
(2) $\mathrm{MnO_2}$ Official answer
(3) $\mathrm{MnO_4^{2-}}$
(4) $\mathrm{Mn_2O_7}$

Official answer

Option 2

NTA final key.

Chapter: Hydrogen
Topic: Hydrogen and Hydrides
Idea tested: Reducing Action of H2O2

Same idea in other shifts

Asked 2× in all

26 Jul 2022, Shift 2 · Q68The products obtained from a reaction of hydrogen peroxide and acidified potassium permanganate areEasySingle correct

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 108 of the 174 JEE Main shifts held from 2017 to 2026.