Chemistry

Problem

Which of the following monoprotic acids will exist primarily (>90%) in its deprotonated form when dissolved in water at

pH = 7.4

? a) Hypochlorous acid,

pK_a = 7.54

b) Salicylic acid,

pK_a = 2.98

c) Boric acid,

pK_a = 9.24

d) Imidazole (acting as an acid),

pK_a = 6.95