What are maximum boiling azetropes? Give one example.

Explanation

### Step-by-Step Solution

1. **Definition of Maximum Boiling Azeotropes**:
- Maximum boiling azeotropes are mixtures that boil at a temperature higher than the boiling points of their individual components in pure form. This means that when the mixture is heated, it will reach a boiling point that is greater than the boiling points of the pure substances involved.

2. **Characteristics**:
- These azeotropes exhibit a unique behavior where the vapor produced during boiling has the same composition as the liquid mixture. This characteristic makes it difficult to separate the components of the mixture by simple distillation.

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