Question

A covalent molecule $AB_3$ has pyramidal structure. The number of lone pair and bond pair electrons in the molecule are respectively

• A. $3$ and $1$
• B. $1$ and $3$
• C. $2$ and $2$
• D. $0$ and $4$

Answer 1

Answer: (B)

$1$ and $3$

Answer 2

The pyramidal structure of covalent molecule $A B_{3}$ is as:

No. of lone pair $=1$

No. of bond pair $=3$