Given the Following PKa Values, What Is the Major Ionization

question 63

Multiple Choice

Given the following pKa values, what is the major ionization state of histidine at pH 11? (α-COOH = 2.0, α-NH₃⁺ = 9.0 and R-group imine = 6.5)

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Definitions:

Lemons Problem

A market problem where the quality of goods cannot be accurately determined by the buyer due to asymmetric information, leading to an overall decline in product quality.

Adverse Selection

A scenario where one participant in a transaction possesses superior or more information than the other, frequently resulting in a disadvantageous result for the party with less information.

Screen

In technology, it refers to the display area of electronic devices where images, text, and videos are shown.

Adverse Selection

A situation where unfair advantage is taken of a transaction due to asymmetric information between buyers and sellers.