M.Sc. Bio-Chemistry (PU-CET P.G) 2021 Panjab University Entrance Exam With Answers

Practice Mode:
69.

A buffer solution contains ethanoic acid and its conjugate base; the pKa of ethanoic acid is 4.74. At what pH does the solution buffer?

A: 3.0
B: Between 4 and 5
C: 7.0
D: Between 3 and 4

The answer is: B