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How many unpaired electrons are present ...

How many unpaired electrons are present in `Ni^(2+)` cation? (At. No. = 28)

A

0

B

2

C

4

D

4

Text Solution

Verified by Experts

The correct Answer is:
B


`Ni(Z=28)implies3d^84s^2Ni^(2+)implies3d^8`
There are two unpaired electrons.
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