Consider a diprotic acid with pKa values of 1.60 and 4.50, that is colorless when fully protonated, deep blue when singly deprotonated, and bright red when doubly deprotonated. Assuming that both colored forms have large and approximately equal molar absorptivities, what can be inferred from a solution of the compound that has a faint blue color?
Consider a diprotic acid with pKa values of 1.60 and 4.50, that is colorless when fully protonated, deep blue when singly deprotonated, and bright red when doubly deprotonated. Assuming that both colored forms have large and approximately equal molar absorptivities, what can be inferred from a solution of the compound that has a faint blue color?
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 55P
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Consider a diprotic acid with pKa values of 1.60 and 4.50, that is colorless when fully protonated, deep blue when singly deprotonated, and bright red when doubly deprotonated. Assuming that both colored forms have large and approximately equal molar absorptivities, what can be inferred from a solution of the compound that has a faint blue color?
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