NaCI is crystallized by slow evaporation of its aqueous solution at room temperature. The correct statement is

A. the crystals will be non-stoichiometric

B. the crystals should have Frenkel defects

C. the percentage of defects in the crystals will depend on the concentration of the solution and its rate of evaporation

D. the nature of defects will depend upon the concentration of the solution and its rate of evaporation

Answer: Option C