Consider the following aqueous solutions. I. 2.2 g Glucose in 125 mL of solution. II. 1.9 g Calcium chloride in 250 mL of solution. III. 9.0 g Urea…

Consider the following aqueous solutions. I. $\displaystyle 2.2$ g Glucose in $\displaystyle 125$ mL of solution. II. $\displaystyle 1.9$ g Calcium chloride in $\displaystyle 250$ mL of solution. III. $\displaystyle 9.0$ g Urea in $\displaystyle 500$ mL of solution. IV. $\displaystyle 20.5$ g Aluminium sulphate in $\displaystyle 750$ mL of solution. The correct increasing order of boiling point of these solutions will be : [Given : Molar mass in $\displaystyle \mathrm{g} \mathrm{mol}^{-1}: \mathrm{H}=1, \mathrm{C}=12, \mathrm{~N}=14, \mathrm{O}=16, \mathrm{Cl}=35.5, \mathrm{Ca}=40, \mathrm{Al}=27$ and $\displaystyle \mathrm{S}=32$ ]