Which One of the Following Is the Weakest Acid

question 73

Multiple Choice

Which one of the following is the weakest acid?

• A)HF (K_a = 6.8 × 10^-4)
• B)HClO (K_a = 3.0 × 10^-8)
• C)HNO₂ (K_a = 4.5 × 10^-4)
• D)HCN (K_a = 4.9 × 10^-10)
• E)Acetic acid (K_a = 1.8 × 10^-5)

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