Boiling point is dependent on the molar mass of the compound and its structure. Higher molar mass generally implies higher boiling point, but for the case of same or similar molar mass we consider branching and the nature of the compounds and the interatomic and intermolecular attraction.
In case of alcohol they undergo intramolecular hydrogen bonding which increases their boiling point significantly. In fact out of hydrides of group 16, water has shown abnormality and has the highest boiling point in the group.
Amines are good bases and have relatively high boiling point compared to their average counterparts in the other functional groups. For
Thus the overall ascending order for boiling point is:
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