Which of the following is used for distinguishing primary , secondary and tertiary alcohols ?

Options

A. Victor Meyer test
B. Beilstein test
C. Hoffmann test
D. Fehling's solution : test

Answer

To determine which test is used to distinguish between primary, secondary, and tertiary alcohols, we can analyze the options provided.

### Step-by-Step Solution:

1. **Understanding the Tests**: We have four tests to evaluate: Victor-Meyer test, Bilstein test, Hoffman test, and Felling solution test.

2. **Evaluating Felling Solution Test**:
- The Felling solution test is primarily used to distinguish between aldehydes and ketones. Aldehydes give a positive result (change in color), while ketones do not.
- Therefore, this test is not suitable for distinguishing between different types of alcohols.

3. **Evaluating Victor-Meyer Test**:
- The Victor-Meyer test is specifically designed to differentiate between primary, secondary, and tertiary alcohols.
- In this test, primary alcohols yield a red color, secondary alcohols yield a blue color, and tertiary alcohols yield no color (white).
- This makes the Victor-Meyer test a reliable method for distinguishing between the three types of alcohols.

4. **Evaluating Bilstein Test**:
- The Bilstein test is not commonly referenced in the context of distinguishing alcohols and is not a standard test for this purpose.

5. **Evaluating Hoffman Test**:
- The Hoffman test is used to determine the presence of amines and is not applicable for distinguishing between alcohols.

6. **Conclusion**:
- Based on the evaluations, the Victor-Meyer test is the correct answer as it is specifically used to distinguish between primary, secondary, and tertiary alcohols.

### Final Answer:
The test used for distinguishing primary, secondary, and tertiary alcohols is the **Victor-Meyer test**.