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A buffer solution contains 0.1 M of acetic acid and 0.1 M of sodium acetate.What will be its pH? (pKa of acetic acid is 4.75)
Options
(a) 5
(b) 4
(c) 5.25
(d) 4.75
Correct Answer:
4.75
Explanation:
Applying the equation:
pH = log {[Salt]/[Acid]} + pKₐ
⇒ here, pH = pKₐ + log 1, pH = 4.75.
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Topics: Equilibrium
(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- By what factor does the average velocity of a gaseous molecule increase
- Which has maximum number of molecules
- The number of structural isomers possible from the molecular formula C₃H₉N is
- Ionisation constant of CH₃COOH is 1.7 ˣ 10⁻⁵ and concentration of H⁺ ions
- Acetamide reacts with NaOBr in the alkaline medium to form
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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