Multiple Choice
The Ka of hydrocyanic acid (HCN) is 4.9 × 10-10. What is the Kb of CN-?
A) 4.9 × 104
B) 4.9 × 10-10
C) 9.1 × 10-10
D) 9.3
E) 2.0 × 10-5
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q83: The ionization constant, K<sub>a</sub>, for acetic acid,
Q84: If the H<sup>+</sup> ion concentration in an
Q85: If the H<sup>+</sup> ion concentration in an
Q86: At 60 °C the value of K<sub>w</sub>
Q87: A solution is made by taking 100.0
Q89: The K<sub>a</sub> of nitrous acid (HNO<sub>2</sub>)is 7.1
Q90: What is the pH of a 1.00
Q91: The pK<sub>a</sub> of acetic acid, HC<sub>2</sub>H<sub>3</sub>O<sub>2</sub>, is
Q92: An aqueous solution at 25.0 °C has
Q93: Calculate the pH of a 0.00035 M