Select the odd out and justify your choice
SO2, H2S, NH3, CO2

Explanation

To solve the question of selecting the odd one out from the given compounds (SO2, H2S, NH3, CO2), we will analyze the nature of each compound and their behavior when dissolved in water.

### Step-by-Step Solution:

1. **Identify the Compounds:**
- We have four compounds: SO2 (sulfur dioxide), H2S (hydrogen sulfide), NH3 (ammonia), and CO2 (carbon dioxide).

2. **Determine the Nature of Each Compound:**
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