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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: - Which of the following compound react with NaHCO3 solution to give sodium salt
- The reaction of phenol with alkaline chloroform gives salicylaldehyde, it is
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Topics: Equilibrium
(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following compound react with NaHCO3 solution to give sodium salt
- The reaction of phenol with alkaline chloroform gives salicylaldehyde, it is
- The reaction that takes place when Cl₂ gas is passed through conc.NaOH solution
- The most effective electrolyte for the coagulation of As₂S₃ sol is
- When conc. H₂SO₄ is added to dry KNO₃,brown fumes are evolved.These fumes are
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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