Hydrogen bonding does not play any role in the boiling of

Which of the following exhibits the strongest hydrogen bond?

The hydrogen bond is not present in

The correct statement/s about Hydrogen bonding is/are:
$A$. Hydrogen bonding exists when $H$ is covalently bonded to a highly electronegative atom.
$B$. Intermolecular $H$ bonding is present in $o$-nitrophenol.
$C$. Intramolecular $H$ bonding is present in $HF$.
$D$. The magnitude of $H$ bonding depends on the physical state of the compound.
$E$. $H$-bonding has a powerful effect on the structure and properties of compounds.
Choose the correct answer from the options given below:

Select the compound from the following that will show intramolecular hydrogen bonding.

$o-$Nitrophenol is less soluble in water than $p-$ and $m-$nitrophenols because: