Which of the following interactions lies in the range of $8 - 42 \, kJ/mol$?

Consider the following statements:
$I.$ In gaseous phase,the vapour pressure of $CH_3COOH$ is less than expected.
$II.$ In benzene,acetic acid dimerises.
$III.$ $CH_3OH$ is more viscous than $H_2O$.
$IV.$ $CH_3OCH_3$ is non-polar but soluble in water.
Select the correct set of codes using $T$ for true and $F$ for false statements in the given sequence.

Which one of the following is the correct decreasing order of boiling point?

The intermolecular interaction that is dependent on the inverse cube of distance between the molecules is:

Which of the following hydrogen bonds is the strongest?

The intramolecular hydrogen bond is present in