Questions/Amines/Why is N,N-Diethylbe...
Tests for AminesAmines

Why is N,N-Diethylbenzenesulphonamide insoluble in alkali, while the N-Ethyl analogue is soluble?

Expert Answer

The N,N-Diethyl derivative has no hydrogen attached to nitrogen. The N-Ethyl derivative has one acidic proton on nitrogen which can be removed by alkali to form a soluble salt

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