Use the Debye–Hückel limiting law to show that changes in ionic strength can affect the rate of reaction catalysed by H+ from the deprotonation of a weak acid. Consider the mechanism: H+ + B → P, where H+ is supplied by the weak acid, HA, which has a fixed concentration. First show that log [H+] depends on the activity coefficients of ions and thus depends on the ionic strength. Then find the relationship between log(rate) and log [H+] to show that the rate also depends on the ionic strength.
Use the Debye–Hückel limiting law to show that changes in ionic strength can affect the rate of reaction catalysed by H+ from the deprotonation of a weak acid. Consider the mechanism: H+ + B → P, where H+ is supplied by the weak acid, HA, which has a fixed concentration. First show that log [H+] depends on the activity coefficients of ions and thus depends on the ionic strength. Then find the relationship between log(rate) and log [H+] to show that the rate also depends on the ionic strength.
Chapter21: Potentiometry
Section: Chapter Questions
Problem 21.2QAP
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Use the Debye–Hückel limiting law to show that changes in ionic strength can affect the
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