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Important Questions: Colligative properties of dilute solutions: a relative lowering of vapour pressure, depression of freezing point, the elevation of boiling point and osmotic pressure for JEE

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Q1ChemistryUnit 5: Solutions

At constant temperature, the osmotic pressure of a solution is: This question has multiple correct options

Q2ChemistryUnit 5: Solutions

The mass of non-volatile, non-elctrolyte solute (molar mass

50 g

mol

^{-1}

) needed to be dissolved in

114 g

octane to reduce its vapour pressure to

75 \%

, is

Q3ChemistryUnit 5: Solutions

Solutions

A, B, C

and

D

are respectively

0.1 M

glucose,

\mathbf{0 . 0 5} M N a C l, 0.05 M B a C l_{2}

and

0.1 M A l C l_{3} .

Which one of the following pairs is isotonic?

Q4ChemistryUnit 5: Solutions

Which of the following solution in water will have the lowest vapour pressure?

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