Use the Following Information to Answer

Multiple Choice

Use the following information to answer
H₂Se: K_a1 = 1.0 x 10^-4, K_a2 = 1.0 x 10^-10
-The base-ionization constant for the Se^2- ion would be:

A) K_b1 = K_a1 = 1.7 x 10^-4
B) K_b1 = K_a2 = 1.0 x 10^-10
C) K_b1 = K_w/K_a1 = 5.9 x 10^-11
D) K_b1 = K_w/K_a2 = 1.0 x 10^-4
E) none of the above