The conjugate of a strong acid is always a weak base.

Answer

To solve the question "The conjugate of a strong acid is always a weak base," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Strong Acids**:
- A strong acid is defined as an acid that completely dissociates in water. This means that when a strong acid is dissolved in water, it donates all of its protons (H⁺ ions) to the water.

2. **Identifying Conjugate Bases**:
- According to the Bronsted-Lowry theory, when an acid donates a proton, it forms its conjugate base. The strength of the conjugate base is inversely related to the strength of the acid. Therefore, if the acid is strong, its conjugate base must be weak.

3. **Example of a Strong Acid**:
- Take hydrochloric acid (HCl) as an example. HCl is a strong acid because it completely dissociates in water:
\[ \text{HCl} \rightarrow \text{H}^+ + \text{Cl}^- \]
- Here, HCl donates a proton (H⁺) to water, forming the chloride ion (Cl⁻) as its conjugate base.

4. **Analyzing the Conjugate Base**:
- The chloride ion (Cl⁻) is a weak base because it has very little tendency to accept protons. This is characteristic of the conjugate base of a strong acid.

5. **General Rule**:
- The general rule is that strong acids have weak conjugate bases. This is a fundamental concept in acid-base chemistry and is consistent across different strong acids.

6. **Conclusion**:
- Therefore, the statement "The conjugate of a strong acid is always a weak base" is correct based on the principles of acid-base theory.