The molecule which does not exhibit strong hydrogen bonding is

$PH_3$ has a lower boiling point than $NH_3$. Why?

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 of the following bonds is responsible for the maximum value of hydrogen bonding?

Which of the following does not have $H$-bonding?

Arrange the hydrides $NH_3$,$HF$,$H_2O$,and $HCl$ in the increasing order of their boiling points.