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The number of unpaired electron in Ni^(2...

The number of unpaired electron in `Ni^(2+)` is

A

0

B

2

C

4

D

8

Text Solution

Verified by Experts

The correct Answer is:
B
`Ni(Z = 28) : 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p 4s^(2) 3d^(8)`
`Ni^(2+) : 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(8)`
No. of unpaired electron = 2.
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