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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 ratio of charge and mass would be greatest for
- What is formed when nitrobenzene is reduced using zinc and alkali
- Chlorine is liberated, when we heat
- The following composition is known as “Bordeaux mixture”.
- How much quick lime can be obtained from 25g of CaCO₃?
Topics: Equilibrium
(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ratio of charge and mass would be greatest for
- What is formed when nitrobenzene is reduced using zinc and alkali
- Chlorine is liberated, when we heat
- The following composition is known as “Bordeaux mixture”.
- How much quick lime can be obtained from 25g of CaCO₃?
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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