NEET · Chemistry · STD 11 - 6.2. Equilibrium - II (icon Equilibrium)
The \(pH\) of the solution containing \(50\, mL\) each of \(0.10\, M\) sodium acetate and \(0.01\, M\) acetic acid is \(.......\) [Given \(pK _{ a }\) of \(CH _{3} COOH =4.57\) ]
- A \(3.57\)
- B \(4.57\)
- C \(2.57\)
- D \(5.57\)
Answer & Solution
Correct Answer
(D) \(5.57\)
Step-by-step Solution
Detailed explanation
Weak acid \(\left( CH _{3} COOH \right)\) and salt of weak acid-strong base \(\left( CH _{3} COONa \right)\) form an acidic buffer. Sodium acetate \(\left( CH _{3} COONa \right)=0.10\, M\);
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