JEE Main 2022 — D And F Block Elements Question with Solution
From: JEE Main 2022 (Online) 25th July Morning Shift
Question
Among Co3+, Ti2+, V2+ and Cr2+ ions, one if used as a reagent cannot liberate H2 from dilute mineral acid solution, its spin-only magnetic moment in gaseous state is ___________ B.M. (Nearest integer)
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Show full solutionCorrect answer: 4.92
Correct answer
4.92
Step-by-step explanation
will not liberate gas an reaction with dilute acid
And has electronic configuration
unpaired are present in it
Spin-only magnetic moment
And has electronic configuration
unpaired are present in it
Spin-only magnetic moment
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This is a previous-year question from JEE Main 2022, 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.