Question

Which is the formula for the functional group in an amine?

Answer 1

The amine functional group is R-NH2, 2 or 3 hydrogen atoms have been replaced by organic groups R, forming primary amine, secondary amine and tertiary amine.

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Answer 2

An 'amine' is an organic compound primarily composed of carbon(C), hydrogen(H) and nitrogen (N).

Ammonia is a molecule in which the N atom is attached to 3 H atoms, in addition there is a lone pair of electrons on the central N atom. Amines are essentially derivatives of ammonia where one of more H atoms have been replaced by an alkyl (R) or aryl(Ar) group

For example:

R-NH2 == primary amine

R2-NH == secondary amine

R3N == tertiary amine