Which aqueous solution exhibits the largest freezing point depression ?

Which one of the following 0.10 M aqueous solutions will exhibit the largest freezing point depression ?

Which aqueous solution exhibits highest boiling point?

Of the following 0. 10 m aqueous solutions, which one will exhibit the largest freezing point depression ?

Of the following 0.10 m aqueous solutions , which one will exhibit the largest freezing point depression ?

Of the following 0.10m aqueous solutions,which one will exhibits the largest freezing point depression?