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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 one of the following statements is not true
- Aniline is treated with a mixture of sodium nitrite and hypophosphorus acid,
- The IUPAC name of tertiary butyl chloride is
- Which of the following compounds has the highest boiling point
- The preparation of ethene from ethanol can be described as
Topics: Equilibrium
(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following statements is not true
- Aniline is treated with a mixture of sodium nitrite and hypophosphorus acid,
- The IUPAC name of tertiary butyl chloride is
- Which of the following compounds has the highest boiling point
- The preparation of ethene from ethanol can be described as
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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