Distinguish between acetaldehye and benzaldehyde.

Explanation

To distinguish between acetaldehyde and benzaldehyde, we can use two specific tests: the Iodoform test and the Fehling's test. Here’s a step-by-step breakdown of the process:

### Step 1: Understand the Structures
- **Acetaldehyde (CH3CHO)**: It has the structure where a methyl group (CH3) is attached to a carbonyl group (C=O).
- **Benzaldehyde (C6H5CHO)**: It has a phenyl group (C6H5) attached to a carbonyl group (C=O).

### Step 2: Perform the Iodoform Test
1. **Iodoform Test for Acetaldehyde**:
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