JEE Advanced Chemistry question

The highest magnetic moment will be shown by

(A)Ni
(B)Co
(C)FeCorrect
(D)Sc

Answer: (C)

Solution

Comparing the number of unpaired electrons in the neutral atoms: Sc () has 1 unpaired electron; Fe () has 4 unpaired electrons (one orbital doubly occupied, four singly occupied); Co

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Question ID VK-159617