7. Equilibrium

Common-ion Effect — Quiz

Test your understanding of common-ion effect with 5 practice questions.

Practice Questions

Question 1

What is the common-ion effect in an equilibrium system?

Question 2

Why does adding sodium acetate to a solution of acetic acid reduce the amount of acetic acid that ionizes?

Question 3

Which added substance would produce a common-ion effect in a solution of $AgCl(s)$ in water?

Question 4

What is the main result of adding a common ion to a slightly soluble salt equilibrium?

Question 5

A solution contains the equilibrium $NH_3(aq) + H_2O(l) \rightleftharpoons NH_4^+(aq) + OH^-(aq)$. What happens when $NH_4Cl$ is added?