Which of the Following Is the Weakest Acid

question 181

Multiple Choice

Which of the following is the weakest acid?

• A) HCN (pK_a = 9.31)
• B) HIO₃ (pK_a = 0.77)
• C) HF (pK_a = 3.45)
• D) CH₃COOH (pK_a = 4.75)
• E) HNO₂ (pK_a = 3.37)

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