Question

Which amine does NOT react with Hinsberg reagent?

Options

• Ethanamine

• N-ethylethanamine

• N, N-diethylethanamine

• 2-methyl-propan-2-amine

Answer 1

N, N-diethylethanamine

Explanation:

N, N-diethyl ethanamine [(C₂H₅)₃N], which is a tertiary amine, does not react with the Hinsberg reagent because it does not have any hydrogen on the amine group that can donate electrons to the sulphur.