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Which of the following statements is not correct?A. The complexes `[NiCl_(4)]^(2-)` and `[Ni(CN)_(4)]^(2-)` differ in their magnetic properties.B. The complexes `[NiCl_(4)]^(2-)` and `[Ni(CN)_(4)]^(2-)` differ in the state of hybridisation of nickelC. The complexes `[NiCl_(4)]^(2-)` and `[Ni(CN)_(4)]^(2-)` differ in geometryD. The complexes `[NiCl_(4)]^(2-)` and `[Ni(CN)_(4)]^(2-)` differ in primary valancies of nickel.

Answer» Correct Answer - 4
`Cl^(-)` is weak field ligand and `CN^(-)` is strong field ligand `[NiCl_(4)]^(-2)` hybridisation is `sp^(3)` and in `[Ni(CN)_(4)]^(-2)` is `dsp^(2)`


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