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  3. Chemistry
  4. The lowering of vapour pressure of the solvent takes place on dissolving a non-volatile solute because

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Q. The lowering of vapour pressure of the solvent takes place on dissolving a non-volatile solute because

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Solution:

Vapour pressure does not depend upon surface area of a volatile liquid $\frac{p}{p^\circ}= x_{solvent}$ In case of a solution rsoivem $< 1. \, \therefore \,p < p^{\circ}$