CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases
Problem
Acid A has pKa = 4.8, and acid B has pKa = 9.2. Which statement about their conjugate bases in water is most accurate?
(a) The conjugate base of acid A is stronger than that of acid B by roughly 104.4 times.
(b) The conjugate base of acid B is stronger than that of acid A by roughly 104.4 times.
(c) The conjugate base of acid B is stronger than that of acid A by roughly 104.8 times.
(d) The conjugate base of acid B is stronger than that of acid A by roughly 101.9 times.