Arrange the Following Three Aqueous Solutions in Order of Decreasing

Arrange the following three aqueous solutions in order of decreasing freezing point. 0.50 M C₆H₁₂O₆ 0.20 M KNO ₃ 0.25 M MgCl₂

A) (highest fp) 0.20 M KNO₃ > 0.50 M C₆H₁₂O₆ > 0.25 M MgCl₂ (lowest fp)
B) (highest fp) 0.50 M C₆H₁₂O₆ > 0.20 M KNO₃ > 0.25 M MgCl₂ (lowest fp)
C) (highest fp) 0.50 M C₆H₁₂O₆ > 0.25 M MgCl₂ > 0.20 M KNO₃ (lowest fp)
D) (highest fp) 0.25 M MgCl₂ > 0.20 M KNO₃ > 0.50 M C₆H₁₂O₆ (lowest fp)
E) (highest fp) 0.25 M MgCl₂ > 0.50 M C₆H₁₂O₆ > 0.20 M KNO₃ (lowest fp)