Q. A covalent molecule $AB_{3}$ has pyramidal structure. The number of lone pair and bond pair of electrons in the molecule are respectively.
A) 2 and 2
B) 0 and 4
C) 3 and 1
D) 1 and 3
Explanation
(d)
The pyramidal structure of covalent molecule $AB_{3}$ is as :
[image:4_image186.emf]
No. of lone pair = 1
No. of bond pair =3
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.