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

Assertion $(A)$: Hydrogen fluoride has a higher boiling point than other hydrogen halides.
Reason $(R)$: Hydrogen fluoride exhibits strong hydrogen bonding. The correct option among the following is:

In which of the following compounds is hydrogen bonding $NOT$ present?

Hydrogen bonding does not play any role in the boiling of

Which contains the strongest $H$-bond?

State the factors affecting the strength of a hydrogen bond.