What happens when ethyl alcohol is treated with HI and red phosphorous ?

Explanation

To understand what happens when ethyl alcohol (C2H5OH) is treated with hydrogen iodide (HI) and red phosphorus (P), we can break down the reaction step by step.

### Step-by-Step Solution:

1. **Identify the Reactants**:
- Ethyl alcohol (C2H5OH)
- Hydrogen iodide (HI)
- Red phosphorus (P)
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