Write structures of different isomers corresponding to the molecular formula, C3H9N. Write IUPAC names of the isomers which will liberate nitrogen gas on treatment with nitrous acid.

The different isomers of the molecular formula: C3H9N are given in the table. However only 1° amines will liberate nitrogen gas on the treatment with h=the nitrous acid are given as follows:



Isomers



IUPAC Name



1° amine





Propa-1-amine or butanamine.



1° amine





Propan-2-amine.



2° amine





2-Methylethylamine



3° amine





N-N-Dimethylmethanamine



Note: Only primary amines liberate nitrogen gas on treatment with nitrous acid.


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