What are amines?

Explanation

**Step-by-Step Solution:**

1. **Definition of Amines:**
Amines are organic compounds that contain a nitrogen atom bonded to one or more alkyl or aryl groups. The general formula for amines is R-NH2, R2NH, or R3N, where R represents an alkyl or aryl group.

2. **Classification of Amines:**
Amines can be classified based on the number of alkyl or aryl groups attached to the nitrogen atom:
- **Primary Amines (1°):** These have one alkyl or aryl group attached to the nitrogen. The general formula is R-NH2. For example, methylamine (CH3NH2) is a primary amine.
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