Consider the Following Unfinished Table of Weak Acids with Their

Multiple Choice

Consider the following unfinished table of weak acids with their corresponding
P K _a values and K _a values. Weak Acid p K _a K _a HNO₂ 3.35 -- HF -- 6.8×10 ^{- 4} HCN 9.31 --
Arrange these three acids in order of increasing acid strength .

A) (weakest) HNO₂ < HF < HCN (strongest)
B) (weakest) HNO₂ < HCN < HF (strongest)
C) (weakest) HCN < HF < HNO₂ (strongest)
D) (weakest) HCN < HNO₂ < HF (strongest)
E) (weakest) HF < HNO₂ < HCN (strongest)