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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: - Libermann’s nitroso reaction may be used as a test for
- Perchloric acid is prepared by the action of concentrated sulphuric acid on
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Topics: Equilibrium
(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Libermann’s nitroso reaction may be used as a test for
- Perchloric acid is prepared by the action of concentrated sulphuric acid on
- Which one of the following is the heaviest
- Which of the following is diamagnetic
- Glycerolis not used in
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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