JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumMulti-step

JEE Main 29 June 2022, Shift 1, Chemistry Q87

Question 87 of 90 in this shift, Chemistry question 27 of 30, Section B.

An acidified manganate solution undergoes disproportionation reaction. The spin-only magnetic moment value of the product having manganese in higher oxidation state is ____________ B.M. (Nearest integer)

Official answer

NTA final key (2022 Session 1).

Chapter: The d- and f-Block Elements
Topic: d-Block Elements
Idea tested: Disproportionation of Manganate(VI)

Same idea in other shifts

Asked 3× in all

31 Jan 2024, Shift 1 · Q68Identify correct statements from below: A. The chromate ion is square planar. B. Dichromates are generally prepared from chromates. C. The…MediumOther
24 Jun 2022, Shift 2 · Q87Manganese (VI) has ability to disproportionate in acidic solution. The difference in oxidation states of two ions it forms in acidic…EasyNumerical value

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.