MHT CET 2025 Chemistry question
Arrange the following solutions according to decreasing order of osmotic pressure under similar condition of temperature and assuming complete dissociation
A. 0.2 m KCl
B. 0.3 m
C. 0.1 m
D. 0.5 m
Answer: (A)
Solution
Osmotic pressure at constant temperature is proportional to (van't Hoff factor times concentration); for dilute solutions the given molal values serve as the concentrations. With complete dissociation: A, : , . B, : , $ic
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