ChemistryJEE Main 28 Jan 2026, Shift 2·Q14·MCQ·Moderate

Solutions · Elevation of boiling point

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 in 500 mL of solution.
(IV)20.5 g Aluminium sulphate in 750 mL of solution.

The correct increasing order of boiling point of these solutions will be:

[Given: Molar mass in g mol $^{-1}$ : H $=1$ , C $=12$ , N $=14$ , O $=16$ , Cl $=35.5$ , Ca $=40$ , Al $=27$ and S $=32$ ]

(1)I $<$ II $<$ III $<$ IV
(2)III $<$ I $<$ II $<$ IV
(3)II $<$ III $<$ I $<$ IV
(4)II $<$ III $<$ IV $<$ I

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