Which of the following acids is the weakest? The acid is followed by its Ka value.
A) HF, 3.5 × 10-4
B) HIO, 2.3 × 10-11
C) HNO2, 4.6 × 10-4
D) H5COOH, 6.5 × 10-5
E) HClO2, 1.1 × 10-2
Correct Answer:
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