Which of the Following Solutions Would Have the Highest PH

question 5

Multiple Choice

Which of the following solutions would have the highest pH? Assume that they are all 0.10 M in acid at 25^∘C.The acid is followed by its K_a value.

• A) HF, 3.5 × 10^-4
• B) HCN, 4.9 × 10^-10
• C) HNO₂, 4.6 × 10^-4
• D) HCHO₂, 1.8 × 10^-4
• E) HClO₂, 1.1 × 10^-2

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