Question

The species having pyramidal shape is

• A. $SO_3$
• B. $BrF_3$
• C. $SiO_3^{2-}$
• D. $OSF_2$

Answer 1

Answer: (D)

$OSF_2$

Answer 2

$SO_3$ is planar (S is ${sp}^2$ hybridised), $BrF_3$, is T-shaped and $SiO_3^{2-}$ is planar (Si is ${sp}^2$ hybridised).