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

Options

A. Tetrahedral square planar,octahedral `dsp^(2),sp^(3),sp^(3):0,5.9,4.9` .
B. Tetrahedral square planar,octahedral `sp^(3),dsp^(2),sp^(3)d^(2):5.9,0,4,9` .
C. Square planar,tetrahedral,octahedral: `dsp^(2),sp^(3),d^(2)sp^(3):5.9,4.9,0` .
D. Tetrahedral square planar,octahedral `dsp^(2),sp^(3),sp^(3)d^(2):0,5,4.9` .

Answer

D