Give one chemical test to distinguish between the following pairs of compounds .
Secondary and tertiary amines

Explanation

To distinguish between secondary and tertiary amines, we can use the Liebermann nitroso test. Here’s a step-by-step solution:

### Step-by-Step Solution:

1. **Understand the Compounds**:
- Secondary amines have the general structure R2NH, where R can be any alkyl or aryl group.
- Tertiary amines have the structure R3N, where R can also be any alkyl or aryl group.

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