The number of unpaired electron in `Ni^(2+)` is
The number of unpaired electron in `Ni^(2+)` is
A. Zero
B. 2
C. 4
D. 8
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Correct Answer - B
Number of unpaired electrons in `Ni^(+2)` is 2 as electronic configuration of `Ni^(+2)` is `3d^8 4s^0`
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