Distinction between pairs of compounds
But-1-yne and But-2-yne

Explanation

To distinguish between But-1-yne and But-2-yne, we can analyze their structural differences, acidity of hydrogen atoms, and their reactivity with bases. Here’s a step-by-step solution:

### Step 1: Structural Representation
- **But-1-yne** (1-butyne) has the structure:
\[ \text{CH}_3\text{C} \equiv \text{C}\text{H} \]
It has a triple bond between the first and second carbon atoms.
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