Transition and InnerTransition Elements - Result Question 139

####39. How many unpaired electrons are present in $Ni^{2+}$ ?

(a) 0

(b) 2

(c) 4

(d) 8

$(1981,1 M)$

Show Answer

Answer:

Correct Answer: 39. (b)

Solution:

  1. The valence shell electronic configuration of $Ni^{2+}$ is :

$[Ar]$

; two unpaired electrons



NCERT Chapter Video Solution

Dual Pane