MHT CET 2023 Chemistry question

Chemistry Classification of Elements and Periodicity in Properties MHT CET 2023

Identify the element from following having six unpaired electrons in observed electronic configuration?

(A)Cu
(B)Zn
(C)CrCorrect
(D)Ti

Answer: (C)

Solution

Observed (actual) configurations: Cr is [Ar]3d4s, with five unpaired 3d electrons and one unpaired 4s electron, giving six unpaired electrons. Cu is [Ar]3d4s

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Question ID VK-094602