If the Value of K_b for Pyridine Is 1 $\Leftrightarrow$ C₅H₅N(aq)+ H₃O⁺(aq)
A) -1

Multiple Choice

If the value of K_b for pyridine is 1.8 *10^-9, calculate the equilibrium constant for
C₅H₅NH⁺(aq) + H₂O(l) $\Leftrightarrow$ C₅H₅N(aq) + H₃O⁺(aq)

A) -1.8 * 10^-9
B) 1.8 * 10^-16
C) 5.6 * 10⁸
D) 1.8 * 10^-9
E) 5.6 * 10^-6