What Happens When Hydrochloric Acid (HCl) Dissociates in Pure Water

Multiple Choice

What happens when hydrochloric acid (HCl) dissociates in pure water?

A) The water has a decrease of H⁺ ions.
B) The HCl molecules float on top of the water.
C) The HCl molecules separate into H⁺ and Cl^- ions.
D) The concentration of OH^- ions increases.
E) The pH of the solution increases.