A positive carbylamine test is given by :-(a) | vedclass

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(B) The carbylamine test is a characteristic reaction given only by primary $(1^{\circ})$ amines,both aliphatic and aromatic.$(a)$ $N,N$-Dimethylanili

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$b, d$

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(B) The carbylamine test is a characteristic reaction given only by primary $(1^{\circ})$ amines,both aliphatic and aromatic.$(a)$ $N,N$-Dimethylaniline is a tertiary $(3^{\circ})$ amine.$(b)$ $2,4$-Dimethylaniline is a primary $(1^{\circ})$ aromatic amine.$(c)$ $N$-methyl-$o$-methylaniline is a secondary $(2^{\circ})$ amine.$(d)$ $p$-Methylbenzylamine is a primary $(1^{\circ})$ aliphatic amine.Since both $(b)$ and $(d)$ are primary amines,they will give a positive carbylamine test.

$A$ positive carbylamine test is given by :-
$(a)$ $N,N$-Dimethylaniline
$(b)$ $2,4$-Dimethylaniline
$(c)$ $N$-methyl-$o$-methylaniline
$(d)$ $p$-Methylbenzylamine

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$A$ positive carbylamine test is given by :-$(a)$ $N,N$-Dimethylaniline$(b)$ $2,4$-Dimethylaniline$(c)$ $N$-methyl-$o$-methylaniline$(d)$ $p$-Methylbenzylamine