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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
- 1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide
- Equivalent conductances of Ba²⁺ and Cl⁻ ions are 127 and 76 ohm⁻¹ cm⁻¹ eq⁻¹
- In the compounds KMnO₄ and K₂Cr₂O₇, the highest oxidation state is of the element
- When chlorine water is exposed to sunlight, the colour change that occurs is
- Which of the following statements is incorrect
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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