Phenacetin is used as a/an

Options

A. antiseptic
B. antipyretic
C. antimalarial
D. disinfectant

Explanation

**Step-by-Step Solution:**

1. **Identify the Compound**: The question asks about Phenacetin, which is a chemical compound.

2. **Determine the Class of Compound**: Phenacetin is classified as an acetamide because it contains both acetyl and amide functional groups.

3. **Understand the Uses of Phenacetin**: According to the information provided, Phenacetin is primarily used as an analgesic (pain reliever) and an antipyretic (fever reducer).

4. **Evaluate the Options**: The options given are antiseptic, antipyretic, anti-malarial, and disinfectant.

5. **Select the Correct Answer**: Based on the uses identified, the most appropriate classification for Phenacetin is as an antipyretic, as it is specifically mentioned to reduce fever.

6. **Conclusion**: Therefore, the correct answer to the question "Phenacetin is used as a/an" is antipyretic.

**Final Answer**: Phenacetin is used as an antipyretic.

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