Which one of the following statements is not correct?

Options

A. In `CO_(2)` molecule, carbon hybridisation is sp
B. fullerenes are made by heating graphite in an electric arc in presence of argon gas .
C. Both `[SiF_(6)]^(2-) and [SiCl_(6)]^(2-)` ions are know
D. In CO molecule, there are one 'sigma' `(sigma)` and two 'pi' `(pi)` bonds.

Answer

C

Explanation

Statement (c) is incorrect as `[SiF_(6)]^(2-)` ion can exist but due to large size of chlorine (Cl) atom `[SiCl_(6)^(2-)]` can not known
Statements (A) , (b) and (d) are correct