How will you distinguish between propan-1-ol and propan-2-ol by a chemical test?

Explanation

To distinguish between propan-1-ol and propan-2-ol using a chemical test, we can utilize the iodoform test. Here’s a step-by-step solution:

### Step 1: Understand the Structure of Propan-1-ol and Propan-2-ol
- **Propan-1-ol** has the structure CH3-CH2-CH2OH.
- **Propan-2-ol** has the structure CH3-CHOH-CH3.

### Step 2: Identify the Functional Groups
- Propan-1-ol is a primary alcohol, while propan-2-ol is a secondary alcohol.
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