When `CuSO_(4)` is hydrated, then it becomes

Options

A. Acidic
B. Basic
C. Neutral
D. Amphoteric

Answer

To solve the question "When CuSO₄ is hydrated, then it becomes," we need to analyze the properties of hydrated copper(II) sulfate.

### Step-by-Step Solution:

1. **Understanding Hydration**:
- When copper(II) sulfate (CuSO₄) is hydrated, it typically forms copper(II) sulfate pentahydrate (CuSO₄·5H₂O).
- This process involves the addition of water molecules to the CuSO₄.

2. **Chemical Reaction**:
- The reaction can be represented as:
\[ \text{CuSO}_4 + 5 \text{H}_2\text{O} \rightarrow \text{CuSO}_4 \cdot 5 \text{H}_2\text{O} \]

3. **Properties of Hydrated CuSO₄**:
- The hydrated form (CuSO₄·5H₂O) is known to exhibit acidic properties.
- This is because the sulfate ion (SO₄²⁻) can interact with water and lead to the formation of hydronium ions (H₃O⁺), contributing to acidity.

4. **Conclusion**:
- Since CuSO₄·5H₂O exhibits acidic characteristics, we conclude that when CuSO₄ is hydrated, it becomes acidic in nature.

### Final Answer:
When CuSO₄ is hydrated, it becomes **acidic**.