Phenol is also known as

Options

A. Phenolic acid
B. Hydroxy cinnamic acid
C. Carbolic acid
D. Hydroxy carbolic acid

Answer

To determine what phenol is also known as, we can follow these steps:

### Step 1: Understand the Structure of Phenol
Phenol is a compound that consists of a benzene ring (C6H5) with a hydroxyl group (OH) attached to it. Its chemical formula is C6H5OH.

**Hint:** Recall that phenol has a hydroxyl group attached to a benzene ring, which is crucial for its properties.

### Step 2: Identify the Common Names of Phenol
Phenol is known by several names in the chemical community. Some of these include:
- Phenolic acid
- Hydroxycinnamic acid
- Carbolic acid
- Hydroxycarbolic acid

**Hint:** Familiarize yourself with the different names used in chemistry for compounds, as they can often be synonymous.

### Step 3: Analyze the Names
Among the names listed, we need to determine which one is commonly accepted for phenol.
- **Phenolic acid** is a broader term that can refer to various compounds with a phenolic structure.
- **Hydroxycinnamic acid** refers to a different class of compounds.
- **Carbolic acid** is a historical name used for phenol, particularly due to its acidic properties.
- **Hydroxycarbolic acid** is not commonly used.

**Hint:** Look for historical or traditional names that are often used in organic chemistry.

### Step 4: Conclusion
Based on the analysis, the name that is most commonly associated with phenol is **carbolic acid**. Therefore, the answer to the question is that phenol is also known as carbolic acid.

**Final Answer:** Phenol is also known as **carbolic acid**.