Aliphatic Compounds Containing Nitrogen - Result Question 37
39. Give a chemical test and the reagent used to distinguish between the following: “Ethylamine and diethylamine”.
$(1988,1 M)$
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Solution:
Carbylamine test given only by primary amine.
$\underset{ \text { primary amine} }{CH _3 CH _2-NH _2} +CHCl _3 \xrightarrow{KOH} CH _3-\underset{ \text{ foul smell }}{CH _2}-NC $
Nitrosamine test is given only by secondary amine.
$ \left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}+\mathrm{HNO}_2 \longrightarrow \underset{\text { oily nitrosamine }}{\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{~N}-\mathrm{NO}} $
BETA
