Match the following aqueous solutions with the appropriate letter from the column on the right. Assume complete dissociation of electrolytes.
A. 1. 0.11 m Fe(NO₃)₃ B. 2. 0.18 m NaOH C. 3. 0.21 m FeSO₄ D. 4. 0.38 m Glucose (nonelectrolyte) option: 1. Lowest freezing point 2. Highest freezing point 3. Second lowest freezing point 4. Third lowest freezing point