D And F Block Elements Question 159

Question: Which of the following is diamagnetic transitional metal ion

Options:

A) $ N{{i}^{+2}} $

B) $ Z{{n}^{+2}} $

C) $ C{{o}^{+2}} $

D) $ C{{u}^{+2}} $

Show Answer

Answer:

Correct Answer: B

Solution:

$ Z{{n}^{+2}}-3d^{10} $ no unpaired electrons.

Hence, diamagnetic in nature.