Chemistry-
General
Easy
Question
Foul smelling compound formed, during carbyl amine reaction is :
- Alcohol
- Aldehyde
- Alkyl isocyanide
- Carboxylic acid
The correct answer is: Alkyl isocyanide
On heating 
with ethanolic KOH and primary amine, isocyanide is formed and is readily detected by its offensive odour. This is called as carbyl amine test
Chloroform+3 KOH
Potassium hydroxide+
Primary amine
RNC
AlkylIsocyanide(Foul smell)+3 KCl
Potassium chloride+
Water
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