Chemistry-pH & Buffer Solutions

NEET Chemistry pH & Buffer Solutions MCQ Question

Type: MCQ-diagram based-Medium-Class 11

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?

Question diagram
A

It acts as a buffer solution maintaining pH around 4.75

B

It increases the pH to approximately 9.25

C

It completely ionizes, leading to a neutral pH

D

It behaves as a strong acid due to high Ka value

Correct Answer

Option A

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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