A) \[KCN-KOH\]
B) \[C{{H}_{3}}COOH-NaCl\]
C) \[N{{H}_{4}}OH-C{{H}_{3}}COON{{H}_{4}}\]
D) \[NaCI-NaOH\]
Correct Answer: C
Solution :
A basic buffer solution is a mixture of weak base and its conjugated acid (or one of its salt) eg, \[N{{H}_{4}}OH-C{{H}_{3}}COON{{H}_{4}}\]
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