Atomic Structure Question 348
Question: Which of the following has more unpaired $ d $ -electrons [CBSE PMT 1999]
Options:
A) $ Z{n^{+}} $
B) $ F{e^{2+}} $
C) $ {N^{3+}} $
D) $ C{u^{+}} $
Show Answer
Answer:
Correct Answer: B
Solution:
$ F{e^{2+}},[Ar],3d^{6}4s^{0} $
$ F{e^{2+}} $ consist of maximum 4 unpaired electrons.