JEE Main 2022ChemistryCoordination CompoundsMediumNumerical

JEE Main 2022 — Coordination Compounds Question with Solution

JEE Main 2022 (29 Jun Shift 2)

Question

Spin only magnetic moment of MnBr64- is _____ B.M. (round off to the closest integer)

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Show full solutionCorrect answer: 6
Correct answer
6

Step-by-step explanation

MnBr64-

Mn2+: [Ar]3d5

Number of unpaired electrons =5

Magnetic moment of the complex,

μ=n(n+2) B.M=35=5.91 B.M.

5.91 is rounded off to the nearest integer 6.

 

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About this question

This is a previous-year question from JEE Main 2022, covering the Coordination Compounds 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.