A conjugate acid-base pair is
A) the reactants in an acid-base reaction.
B) the products of an acid-base reaction.
C) two species that differ only by a proton.
D) two species that differ only by a hydroxyl group.
E) a single molecule that can act as both an acid and a base.

Question

Quizplus · Accepted Answer

A conjugate acid-base pair consists of two species that differ by exactly one proton (H+). When an acid donates a proton, it becomes its conjugate base, and when a base accepts a proton, it becomes its conjugate acid.

A Conjugate Acid-Base Pair Is