Qualitative organic distinction relies heavily on the reaction with Nitrous Acid (). If an entirely unknown amine reacts violently with at room temperature to quantitatively evolve an unreactive gas,

Question

Qualitative organic distinction relies heavily on the reaction with Nitrous Acid ($HNO_2$). If an entirely unknown amine reacts violently with $HNO_2$ at room temperature to quantitatively evolve an unreactive gas, while a completely separate sample of the identical amine emits a profoundly repulsive, foul odor when heated severely with $CHCl_3/KOH$, what is its definitive strict classification?

Prashant Kotian · Accepted Answer

Correct answer: D. The explosive, quantitative physical evolution of gas with nitrous acid is the definitive, exclusive signature of a primary aliphatic amine undergoing diazonium carbocation collapse. The intensely foul odor with strictly confirms the carbylamine test, exclusively verifying the absolutely pure primary nature of the nitrogen center.

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