Geometry, hybridisation and magnetic moment of the ions `[Ni(CN)_(4)]^(2-),[MnBr_(4)]^(2-)` and `[FeF_(6)]^(3-)` are .

Options

A. Tetrahedral, square planar, octahedral: `sp^(3), dsp^(3), sp^(3)d^(2): 5.9,0,4.9`
B. Tetrahedral, square planar, octahedral: `dsp^(2), sp^(3), sp^(3)d^(2) : 0, 5.9, 4.9`
C. Square planar, tetrahedral, octahedral: `dsp^(2),sp^(3),d^(2)sp^(3) : 5.9,4.9,0`
D. Square planar, tetrahedral, octahedral: `dsp^(3),sp^(3),sp^(3)d^(2) : 0,5.9,4.9`

Answer

4

Explanation

Apply Pauling VBT