Which of the following has the highest boiling point ?
(i) 2-Methylpentane (ii) 2, 3-Dimethylbutane (iii) 2, 2-Dimethylbutane

Explanation

To determine which of the given compounds has the highest boiling point, we need to consider the structural differences and how they affect the boiling point. The compounds in question are:

1. 2-Methylpentane
2. 2,3-Dimethylbutane
3. 2,2-Dimethylbutane

### Step 1: Analyze the Structure of Each Compound
- **2-Methylpentane**: This compound has a straight-chain structure with one methyl group attached to the second carbon of pentane.
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