Aspirin is known as

Options

A. Acetyl salicylic acid
B. Phenyl salicylate
C. Acetyl salicylate
D. Methyl salicylic acid

Answer

To solve the question "Aspirin is known as," we need to identify the correct name for aspirin from the given options. Let's break it down step by step.

### Step 1: Understanding the Structure of Aspirin
Aspirin is a chemical compound that has a specific structure. The structural formula of aspirin includes a benzene ring, a carboxylic acid group (-COOH), and an acetyl group (-OCOCH3).

### Step 2: Identifying Functional Groups
In the structure of aspirin:
- The -COOH group indicates that it is a carboxylic acid.
- The -OCOCH3 group indicates the presence of an acetyl group.

### Step 3: Naming the Compound
To name aspirin:
- The base name is derived from salicylic acid, which has a hydroxyl group (-OH) at the ortho position of the benzene ring.
- When the hydroxyl group in salicylic acid is replaced by an acetyl group, the compound is referred to as acetylsalicylic acid.

### Step 4: Analyzing the Options
Now, let's analyze the options provided:
- Option A: Acetyl salicylic acid
- Option B: Phenyl salicylate
- Option C: Acetyl salicylic acid
- Option D: Methyl salicylic acid

From our analysis, we can see that the correct name for aspirin is **acetyl salicylic acid**.

### Final Answer
The correct answer is **Option A: Acetyl salicylic acid**.

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