The compound which does not give iodoform test is

Options

A. Acetophenone
B. Benzophenone
C. `CH_(3)underset(CH_(3))underset(|)CHOH`
D. `CH_(3)-underset(OH)underset(|)CH-CH_(2)CH_(2)CH_(3)`

Explanation

To determine which compound does not give the iodoform test, we need to understand the criteria for a compound to yield a positive iodoform test. The iodoform test is typically positive for compounds that contain the methyl ketone group (C=O-CH3) or can be oxidized to form such a group.

### Step-by-Step Solution:

1. **Identify the Compounds**: We need to analyze each option given in the question to see if they can yield a methyl ketone or can be oxidized to form one.

2. **Check Acetophenone**:
- Acetophenone has the structure CH3C(O)C6H5.
- It contains the methyl ketone group (C=O-CH3).
- **Conclusion**: Acetophenone will give a positive iodoform test.

3. **Check Benzophenone**:
- Benzophenone has the structure C6H5C(O)C6H5.
- It does not contain the methyl ketone group (C=O-CH3) and cannot be oxidized to form one.
- **Conclusion**: Benzophenone will NOT give a positive iodoform test.

4. **Check the Third Compound**:
- Assume the third compound is an alcohol that can be oxidized.
- Upon oxidation, it can form a ketone that contains the methyl group (C=O-CH3).
- **Conclusion**: This compound will give a positive iodoform test after oxidation.

5. **Check the Fourth Compound**:
- Similar to the third compound, if it can be oxidized to form a methyl ketone, it will yield a positive iodoform test.
- **Conclusion**: This compound will also give a positive iodoform test after oxidation.

### Final Answer:
The compound that does not give the iodoform test is **Benzophenone**.

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