Using valence bond theory explain geometry, hybridisation and magnetic property of `[CoF_6]_3^-` (Atomic number of Co = 27).

Explain the hybridisation, geometry and magnetic property of [CoF_(6)]^(3-) based on VBT.

Using VBT, explainthe geometry and magnetic property of [Ni(CN)_(4)]^(-2) . (Atomic Number of Ni=28).

Using valence bond theory account for the geometry and magnetic nature of [NiCl_(4)]^(2-) ion. ("Atomic number of Ni "= 28) .

Using valence bond theory (VBT), account for the geometry, type of hybridization and magnetic property of [NiCl_(4)]^(2-) .

Explain the hybridisation, geometry and magnetic property of [Ni(Cl)_(4)]^(2-) .

Using VBT, explain the geometry and magnetic property of [NiCl^(4)]^(-2) given atomic number of Ni=28.