At 25 °C the acid dissociation constant of benzoic acid is

CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases

Problem

K_a = 6.3 \times 10^{-5}

. What is the value of

pK_b

for the benzoate ion? (a)

10.80

(b)

4.20

(c)

9.80

(d)

8.80