Which one of the following nitro-compounds does not react with nitrous acid? 1. [structure shown in figure] 2. [structure shown in figure] 3. [structure shown in figure] 4. [structure shown in figure]

Topic: Identification of 1/2/3 amines· Organic Compounds Containing Nitrogen

Which one of the following nitro-compounds does not react with nitrous acid?

Which one of the following nitro-compounds does not react with nitrous acid?

4 nitro-compound structures

1. [structure shown in figure]

2. [structure shown in figure]

3. [structure shown in figure]

4. [structure shown in figure]

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Answer: 2. [structure shown in figure]

Key idea: a nitroalkane reacts with \(HNO_2\) only if it has an alpha-hydrogen. Primary give nitrolic acids (red), secondary give pseudonitroles (blue).

Tertiary nitro compound \((CH_3)_3C-NO_2\) has no alpha-H, so it does not react. Options 1 and 4 are primary; option 3 has one alpha-H.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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Which one of the following nitro-compounds does not react with nitrous acid?

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