$A$ covalent molecule $AB_{3}$ has a pyramidal structure. The number of lone pairs and bond pairs of electrons in the molecule are respectively:

What is the shape of the ammonia $(NH_3)$ molecule?

Which molecule is linear?

Statement $I$ : $SO_2$ and $H_2O$ both possess $V$-shaped structure.
Statement $II$ : The bond angle of $SO_2$ is less than that of $H_2O$.
In the light of the above statements,choose the most appropriate answer from the options given below:

Which of the following pairs of species have an identical shape?

The correct order of increasing bond angles is