JEE Main 2022ChemistryRedox ReactionsMediumMCQ

JEE Main 2022Redox Reactions Question with Solution

JEE Main 2022 (26 Jun Shift 2)

Question

Which one of the following is an example of disproportionation reaction?

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Show full solutionCorrect option: A
Correct answer
A3MnO42-+4H+2MnO4-+MnO2+2H2O

Step-by-step explanation

Disproportionation reaction, also sometimes called dismutation reaction, is basically a type of redox reaction involving simultaneous reduction and oxidation of atoms of the same element from one oxidation state (OS) to two different oxidation states.

3MnO42-+6+4H+2MnO4-+7+MnO2+4+2H2O

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About this question

This is a previous-year question from JEE Main 2022, covering the Redox Reactions chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.