Which one of the following is the weakest acid?
A) HCN (Ka = 4.9 × 10- 10)
B) Acetic acid (Ka = 1.8 × 10- 5)
C) HF (Ka = 6.8 × 10- 4)
D) HNO2 (Ka = 4.5 × 10- 4)
E) HClO (Ka = 3.0 × 10- 8)
Correct Answer:
Verified
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