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CGP EDU Academic Team
Published on: August 13, 2026
Which of the following observation indicates colligative properties ?
I. A 0.5 M NaBr solution has a higher vapour pressure than 0.5 M BaCl 2 .
II. A 0.5 M NaOH solution freezes at a lower temperature than pure water.
III. Pure water freezes at a higher temperature than pure ethanol.
Text Solution
Verified by ExpertsThe correct answer is:
D
Ι ⎯→ Relative lowering of vapour pressure
ΙΙ ⎯→ Depression in freezing point.
ΙΙΙ ⎯→ Comparision of melting point of two different compounds.
∴ Ι & ΙΙ are indicating colligative properties.
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