AmineshardMCQ MULTIPLE

Which of the following statements rigorously and correctly describe the distinctive chemical behavioAmines Chemistry Question

Question

Which of the following statements rigorously and correctly describe the distinctive chemical behavior of various amines towards nitrous acid ($HNO_2$) generated in situ?

Answer: A,B,D

💡 Solution & Explanation

Statement A is true; primary aliphatic amines form highly unstable diazonium ions that collapse into carbocations, leading to alcohols/alkenes and $N_2$ release. Statement B is true; aryl diazonium salts are stabilized by extended $\pi$ -conjugation at low temperatures. Statement C is utterly false; secondary amines form characteristic yellow, oily N-nitrosamines, not diazonium salts. Statement D is true; tertiary aliphatic amines simply undergo acid-base neutralization with $HNO_2$ to form soluble salts.

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