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Which one of the following given below ...

Which one of the following given below concerning properties of solutions, describe a colligative effect ?

A

Boiling point of pure water decreases by the addition of ethanol

B

Vapour pressure of pure water decreases by the addition of nitric acid

C

Vapour pressure of pure benzenen decreases by the addition of napththalene

D

Boiling point of pure benzene increases by the addition of toluene

Text Solution

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When solute added to the solvent, the vapour pressure of solution decreases.
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