The boiling point of glycerol is higher than that of propanol because of:

Unlike other hydrogen halides,hydrogen fluoride is a liquid. The reason for this is:

Out of the given two compounds,the vapour pressure of $B$ at a particular temperature is:

The strongest intermolecular hydrogen bond is present in which of the following pairs of molecules?

The maximum number of hydrogen bonds that a molecule of water can have is

Given below are two statements:
Statement $I$: $o$-Nitrophenol is steam volatile due to intramolecular hydrogen bonding.
Statement $II$: $o$-Nitrophenol has a high melting point due to hydrogen bonding.
In the light of the above statements,choose the most appropriate answer from the options given below: