Which of the following statement is not correct

Options

A. `[Ni(CN)_4]^(2-) and [Ni(CO)_4]` have the same magnetic moment
B. `[NiCl_4]^(2-) and [PtCl_4]^(2-)` have different shapes
C. Hybridisation states of Co in `[Co(OX)_3]^(3-)` is `sp^3 d^2`
D. In brown - ring complex `[Fe(H_2O)_5NO]SO_4` oxidation state of Fe is +1

Answer

C