Transition and InnerTransition Elements - Result Question 39

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

(1981, 1M)

(a) 0

(b) 2

(c) 4

(d) 8

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Answer:

Correct Answer: 39. (b)

Solution: The valence shell electronic configuration of $\mathrm{Ni}^{2+}$ is :

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