Which is the weakest among the following types of bond?

The intramolecular hydrogen bonding is present in

What is the reason for the exceptionally high boiling point of water?

Which of the following statements is not correct?

The boiling point of water is exceptionally high because

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.