D And F Block Elements Question 244

Question: Number of unpaired electrons in $ M{{n}^{2+}} $ is

[CPMT 1997; Pb. PET/PMT 1999]

Options:

A) 3

B) 5

C) 4

D) 1

Show Answer

Answer:

Correct Answer: B

Solution:

$ M{{n}^{2+}}-3d^{5}\to $ unpaired $ {{e}^{-}} $ .