Describe the action of hydroiodic acid on methyl phenyl ether.

Explanation

To describe the action of hydroiodic acid (HI) on methyl phenyl ether (also known as anisole), we can break down the process into several steps:

### Step-by-Step Solution:

1. **Identify the Reactants**:
- The reactants in this reaction are methyl phenyl ether (C6H5OCH3) and hydroiodic acid (HI).

2. **Protonation of the Ether Oxygen**:
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