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3. Regarding the dissociation constant of electrolytes: Pk a = 7 A. The higher the pK, of a weak acid, the stronger is the acid. B. The sum of pK, and pK, is greater than 14 at 15°C. C. A weakly basic drug is fully ionised when the pH of the solution is at least 2 pH units greater than its pK, D. Salts of weak acids are fully ionized in solution. 4. Regarding fluid mixture: A. The azeotropic mix is a pressure constant mixture. B. An azeotropic mixture with negative deviation from Rault's law is least volatile. C. An azeotropic mixture shows a maximum in vapor pressure curve, would remain in the flask after distillation. D. For practically immiscible solvents, boiling of the mix may be achieved when the partial pressure of one component exceeds the atmospheric pressure.

3. Regarding the dissociation constant of electrolytes: Pk a = 7 A. The higher the pK, of a weak acid, the stronger is the acid. B. The sum of pK, and pK, is greater than 14 at 15°C. C. A weakly basic drug is fully ionised when the pH of the solution is at least 2 pH units greater than its pK, D. Salts of weak acids are fully ionized in solution. 4. Regarding fluid mixture: A. The azeotropic mix is a pressure constant mixture. B. An azeotropic mixture with negative deviation from Rault's law is least volatile. C. An azeotropic mixture shows a maximum in vapor pressure curve, would remain in the flask after distillation. D. For practically immiscible solvents, boiling of the mix may be achieved when the partial pressure of one component exceeds the atmospheric pressure.

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.130QP: Malic acid is a weak diprotic organic acid with Ka1 = 4.0 104 and Ka2 = 9.0 105. a Letting the...
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3. Regarding the dissociation constant of electrolytes. LAA A. The higher the pK, of a weak acid, the stronger is the acid. 4. Regarding fluid mixture: Pk a = B. The sum of pK, and pk, is greater than 14 at 15°C. C. A weakly basic drug is fully ionised when the pH of the solution is at least 2 pH units greater than its pK, D. Salts of weak acids are fully ionized in solution. A. The azeotropic mix is a pressure constant mixture. B. An azeotropic mixture with negative deviation from Rault's law is least volatile. C. An azeotropic mixture shows a maximum in vapor pressure curve, would remain in the flask after distillation. D. For practically immiscible solvents, boiling of the mix may be achieved when the partial pressure of one component exceeds the atmospheric pressure.
Transcribed Image Text:3. Regarding the dissociation constant of electrolytes. LAA A. The higher the pK, of a weak acid, the stronger is the acid. 4. Regarding fluid mixture: Pk a = B. The sum of pK, and pk, is greater than 14 at 15°C. C. A weakly basic drug is fully ionised when the pH of the solution is at least 2 pH units greater than its pK, D. Salts of weak acids are fully ionized in solution. A. The azeotropic mix is a pressure constant mixture. B. An azeotropic mixture with negative deviation from Rault's law is least volatile. C. An azeotropic mixture shows a maximum in vapor pressure curve, would remain in the flask after distillation. D. For practically immiscible solvents, boiling of the mix may be achieved when the partial pressure of one component exceeds the atmospheric pressure.
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