Four of the following statements are true. Which statement is not true?

a) When an ionic compound dissolves, ionic bonds break and ions are surrounded by solvent.

b) When a molecular compound dissolves, the covalent bonds within molecules do not break.

c) When a solute dissolves in a solvent, the resulting solution is a homogeneous mixture.

d) When a solute dissolves, the solute chemically reacts with the solvent molecules.

e) If the solvent is evaporated from a solution, the solute is recovered unchanged.

d or e, which is false? Why?