Name the organic compound used in the manufacture of `H_(2)O_(2)` by auto-oxidation process.

Explanation

To answer the question regarding the organic compound used in the manufacture of hydrogen peroxide (H₂O₂) by the auto-oxidation process, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Process**: The question asks about the auto-oxidation process used to manufacture hydrogen peroxide (H₂O₂).

2. **Recognize the Organic Compound**: The organic compound that is primarily used in this process is **2-ethyl anthraquinone**.

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