D-And F-Block Elements Ques 292

Question: The number of unpaired electrons in ferrous ion is

[JIPMER (Med.) 2001]

Options:

A) 5

B) 4

C) 3

D) 2

Show Answer

Answer:

Correct Answer: B

Solution:

$ F{{e}^{2+}} $ ion have 4 unpaired electrons $ F{{e}^{2+}}=26-2=24=1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{6} $



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