The correct structure of Bithional is

Options

A.
B.
C.
D.

Answer

To determine the correct structure of Bithional, we will analyze the characteristics of the compound and evaluate the given options step by step.

### Step-by-Step Solution:

1. **Identify the Characteristics of Bithional**:
- Bithional is an antibacterial compound.
- It is a sulfur-containing compound.
- It has an alcohol functional group (–OH).

2. **Evaluate the Options**:
- We need to look at the provided options and identify which one contains sulfur and the alcohol functional group.

3. **Analyze Each Option**:
- **Option 1**: Check for sulfur and the alcohol group.
- Contains sulfur in the form of SO2, which is not suitable as Bithional should have sulfur in a different form.
- Does not have the alcohol functional group (–OH).
- **Conclusion**: Discard this option.

- **Option 2**: Check for sulfur and the alcohol group.
- Does not contain sulfur at all.
- **Conclusion**: Discard this option.

- **Option 3**: Check for sulfur and the alcohol group.
- Also does not contain sulfur.
- **Conclusion**: Discard this option.

- **Option 4**: Check for sulfur and the alcohol group.
- Contains sulfur in an appropriate form.
- Contains the alcohol functional group (–OH).
- Also contains chlorine.
- **Conclusion**: This option meets all the criteria for Bithional.

4. **Final Conclusion**:
- The correct structure of Bithional is represented by **Option 4**.