Give chemical reaction in support of the observation that iodide ions can be oxidised by oxygen in the acidic medium.

Explanation

To demonstrate that iodide ions can be oxidized by oxygen in an acidic medium, we can write the balanced chemical reaction.

### Step-by-Step Solution:

1. **Identify the Reactants**:
- The reactants in this reaction are iodide ions (I⁻), oxygen (O₂), and hydrogen ions (H⁺) from the acidic medium.

2. **Determine the Products**:
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