Which one of the following pollutants causes irritation in eye?

Options

A. `CO_(2)`
B. `SO_(2)`
C. `NO_(2)`
D. All of these

Answer

To determine which pollutant causes irritation in the eyes, we will analyze the effects of each of the given pollutants: carbon dioxide, sulfur dioxide, and nitrogen dioxide.

### Step-by-Step Solution:

1. **Identify the Pollutants**: The pollutants mentioned in the question are carbon dioxide (CO₂), sulfur dioxide (SO₂), and nitrogen dioxide (NO₂).

2. **Analyze Carbon Dioxide (CO₂)**:
- Carbon dioxide is primarily known for its role in air pollution and can lead to symptoms such as headaches, dizziness, and respiratory issues.
- However, it does not typically cause irritation in the eyes.

3. **Analyze Sulfur Dioxide (SO₂)**:
- Sulfur dioxide is known to irritate the respiratory system, including the nose and throat.
- Importantly, sulfur dioxide is also recognized for causing irritation in the eyes. This makes it a strong candidate for the pollutant in question.

4. **Analyze Nitrogen Dioxide (NO₂)**:
- Nitrogen dioxide is associated with respiratory problems and can lead to conditions such as asthma.
- While it affects the lungs and can cause coughing, it is not primarily known for causing eye irritation.

5. **Conclusion**:
- After analyzing the effects of each pollutant, it is clear that sulfur dioxide (SO₂) is the pollutant that causes irritation in the eyes.

### Final Answer:
The pollutant that causes irritation in the eyes is **sulfur dioxide (SO₂)**.

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