A solution containing which one of the following pairs of substances will be a buffer solution?
A) KBr, HBr
B) CsF, HF
C) NaI, HI
D) RbCl, HCl
E) none of the above

Question

Quizplus · Accepted Answer

A buffer solution contains a weak acid and its conjugate base or a weak base and its conjugate acid. In option B, we have CsF, which is a weak base, and HF, which is a weak acid. Therefore, option B is the correct answer. The other options do not contain a weak acid and its conjugate base or a weak base and its conjugate acid.

A Solution Containing Which One of the Following Pairs of Substances