Acid-base Chemistry

Question 1

What is the pKa value for carboxylic acids and what is pKa?

Answer 1

4-5

pKa is a dissociation constant, it doesnt tell you if a molecule is acidic or not but it does show you how acidic or basic a molecule is

Question 2

For an acid with pKa 5 what percent ionised is it at pH 7?

Answer 2

99%

Question 3

What is the pKa range for primary amines?

Answer 3

8-10

Question 4

For a primary amine with pKa 10 what percentage ionised will it be in the blood?

Answer 4

approx 99.9% pH 7.4