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Given the Structure and PK_a of Pyridine (Shown Below),what Can

Question 11

Multiple Choice

Given the structure and pK_a of pyridine (shown below) ,what can be said about its protonation state at pH 7? Given the structure and pK<sub>a</sub> of pyridine (shown below) ,what can be said about its protonation state at pH 7? A) It will exist mostly in the protonated form. B) It will exist mostly in the deprotonated form. C) It will be 50% protonated and 50% deprotonated. D) There is not enough data to evaluate.

A) It will exist mostly in the protonated form.
B) It will exist mostly in the deprotonated form.
C) It will be 50% protonated and 50% deprotonated.
D) There is not enough data to evaluate.

Correct Answer: