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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: - Which of the following statements is not true about alcohols
- Proteins gives purple colour when tested with
- Benzaldehyde condenses with N,N-dimethylaniline in presence of anhydrous ZnCl₂
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Topics: Equilibrium
(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following statements is not true about alcohols
- Proteins gives purple colour when tested with
- Benzaldehyde condenses with N,N-dimethylaniline in presence of anhydrous ZnCl₂
- Which of the following oxidation states are the most characteristic for lead
- The method of zone refining of metals is based on the principle of
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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