Which of the following statements about the complex `[CoF_6]^(3-)` which is paramagnetic in nature is correct?

Options

A. The cobalt involves `d^2sp^3` hybridization
B. The cobalt involves `sp^3d^2` -hybridization
C. The primary valencies of cobalt are nine
D. The ligands present in the complex are neutral fluorine atoms

Answer

B

Explanation

`ln [CoF_6]^(3-), Co^(3+)" is " 3d^6` . Its electronic configuration is