Which of the Following Is the Strongest Acid

question 69

Multiple Choice

Which of the following is the strongest acid?

• A)HNO₂, K_a = 5.6 x 10^-4
• B)HCN, K_a = 6.2 x 10^-10
• C)NH₄⁺, K_a = 5.6 x 10^-10
• D)CH₃CO₂H, K_a = 1.8 x 10^-5
• E)HCO₂H, K_a = 1.8 x 10^-4

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