Ethylamine can be prepared by the action of bromine and caustic potash on:
Correct answer: B. Propionamide
- A. Acetamide
- B. Propionamide
- C. Formaide
- D. Methyl cyanide
Explanation
This reaction is the Hoffmann bromamide reaction mechanism which generally includes the use of an alkali as a strong base to attack the amide . This reaction is used for the conversion of a primary amide to a primary amine with one less carbon atom. Hence propionamide will form ethyl amine with one less C atom. Caustic potash is KOH.
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About Alkyl Halides
Alkyl halides are named and related to their carbon-halogen structure, polarity and reactivity. The key reactions are nucleophilic substitution by SN1 and SN2 mechanisms and elimination by E1 and E2 mechanisms, including how substrate structure, nucleophile, base, solvent and temperature influence substitution versus elimination.
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