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JEE Main Chemistry question

ChemistrySolutionsJEE Main

Consider equimolal aqueous solutions of the following compounds: Urea, Glucose, NaCl, , Sugar, , . How many of the above aqueous solutions will have greater depression in freezing point than that of an aqueous solution of a non-volatile, non-electrolyte solute (molar mass = 120 g ) of the same concentration?

Answer: 4

Solution

At equal molality, . The reference non-electrolyte has . Urea, glucose and sugar (sucrose) are also non-electrolytes with

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Question ID VK-143476