Which of the following ion has same numb...

Which of the following ion has same number of unpaired electrons as that of `V^(3+)` ion ? C r + 3 M n + 2 N i + 2 F e + 3

A

`Cr^(+3)`

B

`Mn^(+2)`

C

`Ni^(+2)`

D

`Fe^(+3)`

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