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} $