1.

Which of the following statements is correct ? (Atomic number ofNi = 28)

Answer»

`NI(CO)` is diamagnetic and `[NiCl_(4)]^(2-) and [Ni(CN)_(4)]^(2-)` are PARAMAGNETIC.
`Ni(CO)_(4) and [Ni(CN)_(4)]^(2-)` are diamagnetic and `[NiCl_(4)]^(2-)` is paramagnetic
`Ni(CO)_(4) and [NiCl_(4)]^(2-)` are diamagnetic and `[Ni(CN)_(4)]^(2-)` is paramagnetic
`[NiCl_(4)]^(2-) and [Ni(CN)_(4)]^(2-)` are diamagnetic and `Ni(CO)_(4)` is paramagnetic.

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