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Which of the following amine will give the carbylamine test?
A
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B
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C
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D
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Detailed Solution
The carbylamine test is given only by primary amines (aliphatic and aromatic).
Aniline ($C_6H_5NH_2$) is a primary amine: $C_6H_5NH_2 + CHCl_3 + 3KOH \xrightarrow{\Delta} C_6H_5NC + 3KCl + 3H_2O$ (foul-smelling isocyanide)
N-methylaniline, N,N-dimethylaniline and N-ethylaniline are secondary/tertiary amines and do not give this test.