Which of the following gives a bad smell (fou | vedclass

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(A) The reaction of primary amines $(R-NH_2)$ with $CHCl_3$ and alcoholic $KOH$ is known as the Carbylamine reaction. This reaction produces isocyanid

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Isopropylamine $(CH_3CH(NH_2)CH_3)$

Vedclass · Answer

(A) The reaction of primary amines $(R-NH_2)$ with $CHCl_3$ and alcoholic $KOH$ is known as the Carbylamine reaction. This reaction produces isocyanides (carbylamines),which have a characteristic foul (bad) smell. Secondary and tertiary amines do not give this reaction. Among the given options: $A$. Isopropylamine $(CH_3CH(NH_2)CH_3)$ is a primary amine. $B$. $CH_3-NH-CH_3$ is a secondary amine. $C$. $N$-methylaniline $(C_6H_5NHCH_3)$ is a secondary amine. $D$. $N$-methylcyclohexylamine $(C_6H_{11}NHCH_3)$ is a secondary amine. Therefore,only isopropylamine will give the carbylamine test.

Which of the following gives a bad smell (foul odor) when treated with $CHCl_3 / KOH$?

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