Which one is an example of octahedral complex [MP PET 2000]

1.	Which one is an example of octahedral complex [MP PET 2000]
A.	\[FeF_{6}^{3-}\]
B.	\[Zn(N{{H}_{3}})_{4}^{2+}\]
C.	\[Ni(CN)_{4}^{2-}\]
D.	\[Cu(N{{H}_{3}})_{4}^{2+}\]
Answer» B. \[Zn(N{{H}_{3}})_{4}^{2+}\]

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Which one is an example of octahedral complex [MP PET 2000]

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