Which of the Following Is the Weakest Acid

question 2

Multiple Choice

Which of the following is the weakest acid?

• A)HF (Ka for HF is 7.2 × 10-4)
• B)HCN (Ka for HCN is 4.9 × 10-10)
• C)HCNO (Ka for HCNO is 2 × 10-4)
• D)H₃BO₃(Ka for H₃BO₃Is 5.4 × 10-10)

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