When a primary amine reacts with \(CHCl_3\) in presence of ethanolic \(KOH\) to produce a foul smelling compound, the reaction is called:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Carbylamine test
A primary amine heated with chloroform and ethanolic KOH gives a foul-smelling isocyanide; this is the carbylamine (isocyanide) test for primary amines:
\( \ce{R-NH2 + CHCl3 + 3KOH} \xrightarrow{\Delta} \ce{R-NC + 3KCl + 3H2O} \)
NCERT (2026-27 edition):
Carbylamine Reaction
