1.

Which of the following pair of EAN of central metal atom is not same?

Answer»

`[Fe(CN)_(6)]^(3-) and [Fe(NH_(3))_(6)]^(3+)`
`[CR(NH_(3))_(6)]^(3+) and [Cr(CN)_(6)]^(3-)`
`[FeF_(6)]^(3-) and [Fe(CN_(6))]^(3-)`
`[Ni(CO)_(4)] and [Ni(CN)_(4)]^(2-)`

Answer :D


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