Atomic number of Mn, Fe, Co and Ni are 25, 26, 27 and 28 respectively. – InterviewSolution

1.	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) [MnCl6]3− (b) [FeF6]3− (c) [CoF6]−3− (d) [Ni(NH3)6]2+
Answer» 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) $[M n C l_{6}]^{3 -}$ (b) $[F e F_{6}]^{3 -}$ (c) $[C o F_{6}]^{- 3 -}$ (d) $[N i (N H_{3})_{6}]^{2 +}$

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