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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.
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Topics: Equilibrium
(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In Gabriel phthalimide synthesis, the compound obtained is
- Which of the following organic compounds polymerizes to form the polyester Dacron
- Which of the following is low boiling liquid
- The work done during the expansion of a gas from a volume of 4 dm³ to 6 dm³
- The most basic amine among the following is
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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