AIPMT PRELIMS2010Chemistry-Solutions

AIPMT PRELIMS 2010 Chemistry Colligative Properties MCQ Question

Type: MCQ-numerical-Medium-Class 12

A solution of sucrose (molar mass = 342 g mol⁻¹) has been prepared by dissolving 68.5 g of sucrose in 1000 g of water. The freezing point of the solution obtained will be (Kf for water = 1.86 K kg mol⁻¹)

A

−0.570°C

B

−0.372°C

C

−0.520°C

D

+0.372°C

Correct Answer

Option B

Detailed Explanation

ΔTf = Kf m. ΔTf = To − Ts

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