Consider the Following Equilibrium Reaction

question 42

Multiple Choice

Consider the following equilibrium reaction:
NH₃+ H₂ O NH ₄+ + OH - K b (NH ₃) = 1.8 10 - 5 Qualitatively, what is the effect of adding NaOH to an aqueous solution of NH₃as shown in the equilibrium reaction above?
(Use Le Chatelier s principle.)

• 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.

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