Question Detail

CHM 102 Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis Objective Question
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Question

What is the product when an aromatic primary amine (aniline) is treated with nitrous acid at 0-5°C?
Options
A Phenol
B Benzenediazonium salt (stable at low temperature)
Correct Answer
C Nitrosoamine
D Azobenzene
Correct Answer

Option B is the correct answer.

Detailed Explanation

Aromatic primary amines react with HNO2 at low temperature to form relatively stable diazonium salts (ArN2+ X-), which are important intermediates for azo dyes.

Hint

Arenediazonium salts are stable at 0-5°C.

Question Info

Course: CHM 102
Topic: Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis
Type: Objective
Difficulty: Not specified
Question 274 of 1999
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