JEE Main 2020 — d and f Block Elements Question with Solution
JEE Main 2020 (05 Sep Shift 1)
Question
The correct electronic configuration and spin-only magnetic moment (BM) of respectively, are :
Choose an option
Show full solutionCorrect option: B
Correct answer
B and
Step-by-step explanation
Electronic configuration of
No. of unpaired electron
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This is a previous-year question from JEE Main 2020, 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.