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Q.
In the Hofmann's method for separation of $1^{\circ}, 2^{\circ}$ and $3^{\circ}$ amines, the reagent used is
Amines
Solution:
The mixture of three amines is treated with diethyl oxalate (Hofmann's reagent). The primary amine forms a solid dialkyl oxamide, a secondary amine gives a liquid oxamic ester while tertiary amine does not react.