Water $(H_2O)$ is a liquid while hydrogen sulfide $(H_2S)$ is a gas. This is due to:

Which of the following molecules can form hydrogen bonding with itself?

Which of the following compounds forms the maximum number of hydrogen bonds?

In which of the following compounds is hydrogen bonding $NOT$ present?

The boiling points of methanol,water,and dimethyl ether are respectively $65\,^{\circ}C$,$100\,^{\circ}C$,and $-24.8\,^{\circ}C$ (note: dimethyl ether is a gas at room temperature). Which of the following best explains these wide variations in boiling point $(b.p.)$?

The low density of ice compared to water is due to