JEE Main 2024 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 29 January 2024, Shift 1, Chemistry Q68

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

In alkaline medium,

\mathrm{MnO_4^-}

oxidises

\mathrm{I^-}

(1) $\mathrm{IO_3^-}$ Official answer
(2) $\mathrm{I_2}$
(3) $\mathrm{IO^-}$
(4) $\mathrm{IO_4^-}$

Official answer

Option 1

NTA final key.

Chapter: The d- and f-Block Elements
Topic: d-Block Elements
Idea tested: Specific KMnO4 Oxidations in Neutral/Alkaline 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.