Exhibit 16-1 Consider the Equilibrium Reaction Below to Answer the Following

Multiple Choice

Exhibit 16-1 Consider the equilibrium reaction below to answer the following question(s) . HNO₂ + H₂ O H₃O + + NO₂ 1 - K a (HNO₂ ) = 4.5 10 - 4
-Refer to Exhibit 16-1. What is the effect of adding NaNO₂ to an aqueous solution of HNO₂ as shown in the equilibrium reaction above?

A) The equilibrium will shift left favoring the reactant side and the pH will drop.
B) The equilibrium will shift right favoring the product side and the pH will drop.
C) There will be no shift in the equilibrium reaction and the pH will remain constant.
D) The equilibrium will shift left favoring the reactant side and the pH will rise.
E) The equilibrium will shift right favoring the product side and the pH will rise.