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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 a given atom no two electrons can have the same values for all
- Which one of the elements with the following outer orbital configuration
- Identify Z in the sequence of reaction
- In the manufacture of cement which of the following is used
- Benzene is obtained by the fractional distillation of
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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