10. Addition Reactions
Acid-Catalyzed Hydration
38PRACTICE PROBLEM
The pKa values of 2-oxopentanedioic acid are 2.47 and 4.68. It has been inferred that the amount of hydrate present in an aqueous solution of 2-oxopentanedioic acid will decrease with increasing pH until around pH 6 and then remain relatively constant beyond that. Why is this so?
![](https://static.studychannel.pearsonprd.tech/courses/organic-chemistry/thumbnails/4e1ab4fd-8329-425a-830e-ed78dd6d322d)
The pKa values of 2-oxopentanedioic acid are 2.47 and 4.68. It has been inferred that the amount of hydrate present in an aqueous solution of 2-oxopentanedioic acid will decrease with increasing pH until around pH 6 and then remain relatively constant beyond that. Why is this so?