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

Verified
Correct Answer:
Verified
Related Questions
Q24: The pH of a 250.mL sample of
Q25: If the concentration of H<sub>3</sub>O<sup>+</sup> in an
Q26: Which reaction best illustrates the behavior of
Q27: Match the following.<br>-conjugate acid<br>A)the species that results
Q28: The pH of a solution with [H<sub>3</sub>O<sup>+</sup>]
Q30: How many mL of 0.100 M NaOH
Q31: When acids and bases react the product
Q32: The [OH<sup>-</sup>] and the pH of 0.035
Q33: Which substance produces carbon dioxide and water
Q34: Which of the following compounds is a