MHT CET 2022 Chemistry question

Chemistry Structure of Atom MHT CET 2022

What is the number of unpaired electrons present in d orbitals of Cr(Z = 24) to have extra stability?

(A)0
(B)1
(C)4
(D)5Correct

Answer: (D)

Solution

Chromium (Z = 24) has the exceptional configuration instead of the expected , because a half-filled d subshell (all five d orbitals singly occupied, with parallel spins) has extra stability due to symmetry

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Question ID VK-094125