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Give a chemical test to distinguish between the following.

Ethyl amine and diethyl amine.

Chemistry20251 markDifferentiate

Answer

Answer

Official answer key

Carbylamine test test: reagent: CHCl3 and alc. KOH, heat; positive: ethyl amine; observation: obnoxious smell of carbylamine (isocyanide); other: diethylamine does not give the test

Carbylamine test, ethyl amine will give obnoxious smell of carbylamine when treated with $\mathrm{CHCl_3}$ and alc. KOH, whereas the diethylamine would not give the test.
Aliphatic Amines

From ISC 2025 Practice Chemistry, question 43(a).