Question

Write IUPAC names of the following compounds:

Hint:

In amines, the nitrogen is named as a substituent on the parent hydrocarbon chain, while in amides, the -CONH₂ group is named as "amide".

Answer 1

Step 1: Identify the structure of the compounds.
- (i) CH₃-CH₂-N-CH₃ This is an amine compound. The structure consists of a two-carbon chain with a nitrogen atom attached to both a methyl group (CH₃) and an ethyl group (CH₂). - (ii) CH₃-CH-CONH₂ This compound is an amide. It has a two-carbon chain with a carbonyl group (C=O) attached to an amine group (-NH₂).
Step 2: Assign IUPAC names.
- (i) The IUPAC name of the compound \( CH₃-CH₂-N-CH₃ \) is N-Ethylmethanamine. - (ii) The IUPAC name of the compound \( CH₃-CH-CONH₂ \) is Ethanamide.
Final Answer: (i) N-Ethylmethanamine
(ii) Ethanamide
Final Answer: \[ \boxed{\text{(i) N-Ethylmethanamine, (ii) Ethanamide}} \]