Rank the Following Three Acids in Terms of Acid Strength

question 64

Multiple Choice

Rank the following three acids in terms of acid strength given the following information:
Acid K _a p K _a HF 6.9×10 ^{- 4} -- CH₃COOH -- 4.74 HNO₂ 4.5×10 ^{- 4}

• A) (weakest acid) HF < CH₃COOH < HNO₂ (strongest acid)
• B) (weakest acid) CH₃COOH < HNO₂ < HF (strongest acid)
• C) (weakest acid) HNO₂ < HF < CH₃COOH (strongest acid)
• D) (weakest acid) HF < HNO₂ < CH₃COOH (strongest acid)
• E) (weakest acid) HNO₂ < CH₃COOH < HF (strongest acid)

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