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Amines
Question
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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.

Answer

(a) CH3-CH2-CH2-NH2
Propan-1-amine (pri)

b) Propan -2-amine (pri)

(c) CH3-CH2-C2H5
N-methylethanamine (Sec)

(d) N,N-Dimethyl methanamine (tert)

primary amine, (a) Propan-1-amine, and (b) Propan-2-amine will liberate nitrogen gas on treatment with nitrous acid.

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