NEET Chemistry pH & Buffer Solutions MCQ Question
Consider a diagram showing a solution with a mixture of acetic acid and sodium acetate. Which of the following labels correctly identifies the function of this mixture in the context of pH and buffer solutions?
It acts as a buffer solution maintaining pH around 4.75
It increases the pH to approximately 9.25
It completely ionizes, leading to a neutral pH
It behaves as a strong acid due to high Ka value
Correct Answer
Detailed Explanation
The mixture of acetic acid and sodium acetate acts as a buffer solution around pH 4.75, as described in the NCERT context.
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