MHT CET 2022 Chemistry question

Which of the following solutes dissolved in water, having same concentration exhibits highest value of colligative property?

(A)urea
(B)glucose
(C)sucrose
(D)sodium chlorideCorrect

Answer: (D)

Solution

Colligative properties depend on the number of particles in solution, i.e. on concentration. Urea, glucose and sucrose are non-electrolytes (van't Hoff factor ). Sodium chloride is a strong electrolyte that dissociates as , so

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Question ID VK-094412