A) an alkyl isocyanide
B) an alkyl isothiocyanate
C) an amide
D) an amide and nitro compound
Correct Answer: A
Solution :
Primary amines on heating with chloroform and ethanolic KOH, give alkyl isocyanide. This reaction is called carbylamine reaction. \[\underset{{{1}^{o}}\text{amine}}{\mathop{R-N{{H}_{2}}}}\,+CHC{{l}_{3}}+\underset{(alcohol)}{\mathop{3KOH}}\,\xrightarrow{\Delta }\underset{\text{alkyl}\,\text{isocyanide}}{\mathop{R-NC}}\,\]
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