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A physician wishes to prepare a buffer solution at pH = 3.85 that efficiently resists changes in pH yet contains only small concentration of the buffering agents. which of the following weak acids together with its sodium salt would be best to use
Options
(a) 2, 5-dihydroxybenzoic acid (pKa = 2.97)
(b) acetoacetic acid (pKa = 3.58)
(c) m-chlorobezoic acid(pKa = 3.98)
(d) p-chlorocinnamic acid (pKa = 4.41)
Correct Answer:
2, 5-dihydroxybenzoic acid (pKa = 2.97)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The reaction in which hydrogen peroxide acts as a reducing agent is
- Which gas is formed when CaC₂ reacts with H₂O
- A unit cell of sodium chloride has four formula units.The edge length of the unit cell
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Topics: Equilibrium
(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The reaction in which hydrogen peroxide acts as a reducing agent is
- Which gas is formed when CaC₂ reacts with H₂O
- A unit cell of sodium chloride has four formula units.The edge length of the unit cell
- The bond formed due to sidewise overlapping of π-orbitals is
- In which of the following compounds, nitrogen exhibits highest oxidation state
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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