Answer
C
Work Step by Step
Conjugate pairs must differ by a hydrogen atom, which eliminates a, and b.
HF donor -> F- acceptor; acetic acid: donor -> acetate: acceptor.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.