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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 variation of the boiling points of the hydrogen halides is in the order
- Which of the following is formed, when benzaldehyde reacts with alcoholic KCN
- Which of the following coordination compounds would exhibit optical isomerism
- Which of the following is not polyamide
- What is the molar ratio of mixture of gases given the ratio of gases
Topics: Equilibrium
(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The variation of the boiling points of the hydrogen halides is in the order
- Which of the following is formed, when benzaldehyde reacts with alcoholic KCN
- Which of the following coordination compounds would exhibit optical isomerism
- Which of the following is not polyamide
- What is the molar ratio of mixture of gases given the ratio of gases
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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