Q. How many unpaired electrons are present in $N i^{2 -}$ ?

2069 170 IIT JEEIIT JEE 1981The d-and f-Block Elements Report Error

A

0

19%

B

2

74%

C

4

5%

D

8

2%

Solution:

The valence shell electronic configuration of $N i^{2 +}$ is :

Solution Image