A mixture of aqueous solution of sodium acetate and sodium propanoate forms a buffer solution. (T/F)

Explanation

To determine whether a mixture of aqueous solutions of sodium acetate and sodium propanoate forms a buffer solution, we need to analyze the components involved.

### Step-by-Step Solution:

1. **Understanding Buffer Solutions**:
- A buffer solution is typically formed by mixing a weak acid with its conjugate base (salt) or a weak base with its conjugate acid (salt).
- For an acidic buffer, the components are a weak acid and its salt with a strong base. For a basic buffer, the components are a weak base and its salt with a strong acid.

2. **Identifying the Components**:
- Sodium acetate (CH₃COONa) is the salt of acetic acid (CH₃COOH), which is a weak acid.
- Sodium propanoate (CH₃CH₂COONa) is the salt of propanoic acid (CH₃CH₂COOH), which is also a weak acid.

3. **Analyzing the Mixture**:
- When sodium acetate and sodium propanoate are mixed, we have two salts of weak acids.
- There is no weak acid present in the mixture; both components are salts derived from weak acids.

4. **Conclusion**:
- Since a buffer solution requires the presence of either a weak acid and its salt or a weak base and its salt, the mixture of sodium acetate and sodium propanoate does not meet these criteria.
- Therefore, the statement that a mixture of aqueous solutions of sodium acetate and sodium propanoate forms a buffer solution is **False**.

### Final Answer:
The statement is **False**.