Question

Which of the following molecules has pyramidal shape?

• A. $PCl_{3}$
• B. $SO_{3}$
• C. $CO_{3}^{2-}$
• D. $NO_{3}^{-}$

Answer 1

Answer: (A)

$PCl_{3}$

Answer 2

In $PCl_{3}$ molecules, phosphorus is $sp^{3}$ -hybridised but due to presence of lone-pair of electron, it has pyramidal structure.