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Atomic number of Mn, Fe, Co and Ni are 2...

Atomic number of `Mn, Fe, Co` and `Ni` are 25, 26, 27 and 28 respectively. Which of the following outer orbital octahedral complexes have same number of unpaired electrons ?

A

`[MnCl_(6)]^(3-)`

B

`[FeF_(6)]^(3-)`

C

`[CoF_(6)]^(3-)`

D

`[Ni(NH_(3))_(6)]^(2+)`

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The correct Answer is:
A, C
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