MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumBuffer Solutions
The acidic buffer solution can be prepared by mixing solutions of
A.Sodium acetate and acetic acid✓ Correct
B.Ammonium chloride and ammonium hydroxide
C.Sulphuric acid and sodium sulphate
D.Sodium chloride and sodium hydroxide.
Explanation
We know that an acidic buffer consists of weak acid and its salt with a strong base. Acetic acid is a weak acid and sodium acetate its salt with strong base NaOH. Therefore, it is an acidic buffer. Whereas, sulphuric acid is a strong acid. A basic buffer solution consists of a weak base (such as ammonium hydroxide) and its salt (such as ammonium chloride).
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