Which of the following solutions would have the lowest 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

The lower the value of Ka, the weaker the acid and the lower the pH. Among the given options, HClO is the strongest acid with the highest Ka value of 1.1 × 10^-2. Therefore, it will have the lowest pH compared to other options.

Which of the Following Solutions Would Have the Lowest PH