Same chapter3 marksDifficulty: Medium
Arrange aniline, methylamine, dimethylamine and ammonia in order of increasing basicity in aqueous solution.
Organic Compounds containing Nitrogen
3 marksDifficulty: Medium
Describe the Hoffmann bromamide degradation and state what it achieves.
Original Khojo Papers practice question — not from a past board paper.
Answer
An amide is treated with bromine in aqueous or alcoholic sodium hydroxide and is converted into a primary amine with one carbon atom fewer. It is used to step down a carbon chain by one and to make a pure primary amine free from secondary and tertiary products.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The intermediate isocyanate is hydrolysed to the amine.
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