Q. Which of the following does not have a lone pair on the central atom?
A) $NH_{3}$
B) $PH_{3}$
C) $BF_{3}$
D) $PCl_{3}$
Explanation
(c)
$BF_{3}$ is a electron deficient compound. So, it has no lone pair orbital over B atom.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.