This is wax

Options

A. Palmitic acid
B. Ethyl palmitate
C. Hexacosyl palmitate
D. Sodium stearate.

Answer

To determine which option represents wax, we can follow these steps:

### Step-by-Step Solution:

1. **Understand What Wax Is**:
- Wax is a type of lipid that consists of long-chain fatty acids and long-chain alcohols. It is characterized by its hydrophobic nature, meaning it does not dissolve in water.

2. **Identify the Characteristics of Wax**:
- Waxes are typically insoluble in water but soluble in organic solvents and non-polar solvents.
- They are often long-chain esters formed from fatty acids and alcohols.

3. **Analyze the Options Provided**:
- Look for a compound that fits the description of wax, which includes being a long-chain fatty acid ester.

4. **Identify the Correct Example**:
- Among the options, identify the one that is a long-chain fatty acid ester. In this case, hexacosyl palmitate is mentioned as an example of wax.
- Hexacosyl palmitate is an ester derived from palmitic acid and a long-chain alcohol (mericel alcohol).

5. **Confirm the Properties**:
- Check if the identified wax (hexacosyl palmitate) aligns with the characteristics of wax: hydrophobic, long-chain structure, and insolubility in water.

6. **Select the Correct Option**:
- Based on the analysis, the correct answer is option number three, which is hexacosyl palmitate.

### Conclusion:
The correct answer to the question "This is wax" is **hexacosyl palmitate**.

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