Rank Acetic Acid (HC₂H₃O₂),hydrocyanic Acid (HOCN),and Hydrofluoric Acid (HF)in Order

Rank acetic acid (HC₂H₃O₂) ,hydrocyanic acid (HOCN) ,and hydrofluoric acid (HF) in order of increasing strength.
Acid
K_a
HC₂H₃O₂
1) 8 × 10^-5
HOCN
3) 5 × 10^-4
HF
6) 8 × 10^-4

A) HC₂H₃O₂ < HOCN < HF
B) HOCN < HC₂H₃O₂ < HF
C) HOCN < HF < HC₂H₃O₂
D) HF < HOCN < HC₂H₃O₂
E) HF < HC₂H₃O₂ < HOCN