Q. The molecule, ion which is pyramidal in shape is
A) ${NO}_{3}^{-}$
B) $PCl_{3}$
C) ${CO}_{3}^{2 -}$
D) $SO_{3}$
Explanation
(b)
The structure of these molecules/species are as follows :
[image:4_image147.emf]
$PCl_{3}$ has $sp^{3}$-hybridisation but due to presence of a lone-pair, its shape is pyramidal instead of tetrahedral.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.