MHT CET 2026 Chemistry question

Which of the following colligative properties is useful to determine the molar masses of proteins, polymers or colloids, with the greatest precision?

(A)Elevation in boiling point
(B)Depression in freezing point
(C)Osmotic pressureCorrect
(D)Relative lowering of vapour pressure

Answer: (C)

Solution

Macromolecules such as proteins, polymers and colloids have very high molar masses, so even a fairly concentrated solution has a very small mole fraction/molality of solute. Their , and are therefore too tiny to measure accurately. Osmotic

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Question ID VK-098468