Carbylamine test is shown by

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(C) The carbylamine test is a characteristic reaction given only by primary $(1^{\circ})$ amines,both aliphatic and aromatic. $R-NH_2 + CHCl_3 + 3KOH

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Aniline

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(C) The carbylamine test is a characteristic reaction given only by primary $(1^{\circ})$ amines,both aliphatic and aromatic. $R-NH_2 + CHCl_3 + 3KOH \rightarrow R-NC + 3KCl + 3H_2O$. Dimethylamine is a secondary $(2^{\circ})$ amine,and $N$-methylethanamine is also a secondary $(2^{\circ})$ amine. Aniline $(C_6H_5NH_2)$ is a primary $(1^{\circ})$ aromatic amine,therefore it gives the carbylamine test.

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