Why do amines have higher boiling point than hydrocarbons?

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Solution

Boiling point of amines
According to the concept of polarization caused by the difference in the electronegativity , $C - N$ bond in amines is more polar than a $C - C$ bond in hydrocarbons.
Amines are involved in the formation of intermolecular hydrogen bonds.
Intermolecular hydrogen bonding provide stability to the amines and it require more energy to break the bonds and hence amines have higher boiling point than the hydrocarbons.

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