1.

Which of the following complex ion is not expected to absorv visible light ?

Answer»

`[Ni(H_(2)O)_(6)]^(3+)`
`[Ni(CN)_(4)]^(2-)`
`[Cr(NH_(3))_(6)]^(3+)`
`[Fe(H_(2)O)_(6)]^(2+)`

Answer :B::C::D


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