Final answer:
When KCl dissolves in water, it forms potassium and chloride ions in solution.
Step-by-step explanation:
When KCl dissolves in water, the ions present in the compound will dissociate and hydrate, resulting in the formation of potassium and chloride ions (D).
When KCl is added to water, the positive end of the polar water molecules is attracted to the negative chloride ions, and the negative end is attracted to the positive potassium ions. The water molecules surround and hydrate the individual K and Cl- ions, reducing the strong interionic forces holding them together and allowing them to become solvated ions in the solution.