Consider the Weak Bases Below and Their K_b Values: C₆H₇O^-

Multiple Choice

Consider the weak bases below and their K_b values: C₆H₇O^- K_b = 1.3 × 10^-10
C₂H₅NH₂ K_b = 5.6 × 10^-4
C₅H₅N K_b = 1.7 ×10^-9
Arrange the conjugate acids of these weak bases in order of increasing acid strength.

A) C₅H₅NH⁺< C₆H₇OH < C₂H₅NH
B) C₆H₇OH < C₅H₅NH⁺ < C₂H₅NH
C) C₅H₅NH⁺< C₂H₅NH₃⁺ < C₆H₇OH
D) C₆H₇OH < C₂H₅NH₃⁺< C₅H₅NH⁺
E) C₂H₅NH₃⁺< C₅H₅NH⁺ < C₆H₇OH