JEE Main 2021ChemistryD And F Block ElementsProperties Of Transition ElementsmediumMCQ

JEE Main 2021D And F Block Elements Question with Solution

From: JEE Main 2021 (Online) 25th February Morning Shift

Question

In which of the following pairs, the outer most electronic configuration will be the same?

Choose an option

Show full solutionCorrect option: A
Correct answer
ACr+ and Mn2+

Step-by-step explanation

Cr+ [Ar]3d5

Mn2+ [Ar]3d5

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About this question

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.