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Question
Rank acetic acid (HC2H3O2), hydrocyanic acid (HOCN), and hydrofluoric acid (HF) in order of increasing strength.
| Acid | Ka |
| HC2H3O2 | 1.8 x 10-5 |
| HOCN | 3.5 x 10-4 |
| HF | 6.8 x 10-4 |
A) HC2H3O2< HOCN < HF
B) HOCN < HC2H3O2< HF
C) HOCN < HF < HC2H3O2
D) HF < HOCN < HC2H3O2
E) HF < HC2H3O2< HOCN
Answer
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