Q. A $\sigma$-bonded molecule $MX_{3}$ is T-shaped. The number non-bonding pairs of electron is
A) 0
B) 2
C) 1
D) Can be predicted only if atomic number of M is known
Explanation
(b)
The formula of $MX_{3}$ shows the presence of $3\sigma$ bonds. Since, it has T-shape geometry, it must contain 2 lone pairs as
[image:4_image153.emf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.