JEE Main 2021 — D And F Block Elements Question with Solution
From: JEE Main 2021 (Online) 17th March Evening Shift
Question
In the ground state of atomic Fe(Z = 26), the spin-only magnetic moment is ____________ 101 BM. (Round off to the Nearest Integer). [Given : = 1.73, = 1.41 ]
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Show full solutionCorrect answer: 48.78
Correct answer
48.78
Step-by-step explanation
No. of unpaired electrons = 4
= 4.8786 BM
= BM
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This is a previous-year question from JEE Main 2021, covering the D And F Block Elements 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.