Which of the following dissolves in water but does not give any oxyacid solution ?

Options

A. `SO_(2)`
B. `OF_(2)`
C. `SCl_(4)`
D. `SO_(3)`

Answer

To solve the question of which compound dissolves in water but does not produce an oxyacid solution, we will analyze each of the given options: SO2, OF2, SCl4, and SO3.

### Step-by-step Solution:

1. **Analyze SO2 (Sulfur Dioxide)**:
- When SO2 dissolves in water, it forms sulfurous acid (H2SO3).
- H2SO3 is an oxyacid because it contains oxygen.
- **Conclusion**: SO2 does not meet the criteria.

2. **Analyze OF2 (Oxygen Difluoride)**:
- When OF2 dissolves in water, it forms hydrofluoric acid (HF) and oxygen.
- Hydrofluoric acid (HF) does not contain oxygen in its structure as an acid, thus it is not classified as an oxyacid.
- **Conclusion**: OF2 meets the criteria as it dissolves in water but does not produce an oxyacid.

3. **Analyze SCl4 (Sulfur Tetrachloride)**:
- When SCl4 dissolves in water, it reacts to form sulfurous acid (H2SO3) and hydrochloric acid (HCl).
- H2SO3 is an oxyacid because it contains oxygen.
- **Conclusion**: SCl4 does not meet the criteria.

4. **Analyze SO3 (Sulfur Trioxide)**:
- When SO3 dissolves in water, it forms sulfuric acid (H2SO4).
- H2SO4 is an oxyacid because it contains oxygen.
- **Conclusion**: SO3 does not meet the criteria.

### Final Answer:
The compound that dissolves in water but does not give any oxyacid solution is **OF2 (Oxygen Difluoride)**.

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