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

Question

Quizplus · Accepted Answer

HCN has the smallest Ka value, indicating it is the weakest acid among the options and therefore will result in the highest pH when dissolved in water at the same concentration.

Which of the Following Solutions Would Have the Highest PH