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An acidic buffer solution can be prepare...

An acidic buffer solution can be prepared by mixing solution of

A

sodium acetate and acetic acid

B

ammonium acetate and ammonium hydroxide

C

sodium chloride and sodium hydroxide

D

potassium sulphate and sulphuric acid.

Text Solution

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The correct Answer is:
To prepare an acidic buffer solution, we need to mix a weak acid with its salt derived from a strong base. Let's analyze the options provided in the question step by step. ### Step-by-Step Solution: 1. **Understanding Buffer Solutions**: - A buffer solution is a solution that resists changes in pH when small amounts of acid or base are added. - There are three types of buffer solutions: acidic, basic, and neutral. 2. **Identifying Acidic Buffers**: - An acidic buffer is formed by mixing a weak acid with the salt of that weak acid which is derived from a strong base. - Example: Acetic acid (CH₃COOH) and sodium acetate (CH₃COONa) form an acidic buffer. 3. **Analyzing the Options**: - **Option A**: Acetic acid (weak acid) + Sodium acetate (salt of weak acid with strong base) → This forms an acidic buffer. - **Option B**: Ammonium hydroxide (weak base) + Ammonium acetate (salt of weak acid and weak base) → This does not form an acidic buffer. - **Option C**: Sodium hydroxide (strong base) → This cannot form any type of buffer solution. - **Option D**: Sulfuric acid (strong acid) → This cannot form a buffer solution. 4. **Conclusion**: - The only option that forms an acidic buffer is **Option A**: Acetic acid and sodium acetate. ### Final Answer: An acidic buffer solution can be prepared by mixing the solution of **Option A: Acetic acid and Sodium acetate**.
To prepare an acidic buffer solution, we need to mix a weak acid with its salt derived from a strong base. Let's analyze the options provided in the question step by step. ### Step-by-Step Solution: 1. **Understanding Buffer Solutions**: - A buffer solution is a solution that resists changes in pH when small amounts of acid or base are added. - There are three types of buffer solutions: acidic, basic, and neutral. ...
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