Which of the following is a primary amine? (2022) 2022

Which of the following is a primary amine? (2022) 2022

Step 1: Understand what an amine is. An amine is a compound that contains a nitrogen atom (N) bonded to carbon atoms (C).
Step 2: Know the types of amines. Amines can be classified as primary, secondary, or tertiary based on how many carbon groups are attached to the nitrogen.
Step 3: Identify a primary amine. A primary amine has one carbon group (alkyl group) attached to the nitrogen atom.
Step 4: Look at the example given, which is ethylamine (C2H5NH2).
Step 5: Analyze ethylamine. It has one ethyl group (C2H5) attached to the nitrogen (NH2).
Step 6: Conclude that since ethylamine has only one alkyl group attached to the nitrogen, it is a primary amine.

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