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  4. A compound 'X' on treatment with Br2/NaOH, provided C3H9N, which gives positive carbylamine test. Compound 'X' is :

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Q. A compound '$X$' on treatment with $Br_2/NaOH$, provided $C_3H_9N$, which gives positive carbylamine test. Compound 'X' is :

JEE MainJEE Main 2019Amines

Solution:

[X] $\underset{ \text{ Hoff mann's Bromaide degradation}}{\xrightarrow[NaOH]{Br_2}} C_3H_9N \underset{ \text{ Carbylamine Reaction }}{\xrightarrow[KOH]{CHCl_3 }} CH_3CH_2CH_2 - NC$
Thus [X] must be aride with oen carbon more than is amine.
Thus [X] is $CH_3CH_2CH_2CONH_2$