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On increasing the temperature of a liquid, its vapour pressure ____________

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On increasing the temperature of a liquid, its vapour pressure ____________

(a) Decreases

(b) Remain constant

(c) Increases

(d) None of the mentioned

I got this question in class test.

The above asked question is from Boiling Point topic in division Criteria of Purity and Characterisation of Materials of Engineering Chemistry I

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The correct answer is (c) Increases

Explanation: The vapour pressure of a liquid increases with an increase in temperature. Vapour pressure or equilibrium vapor pressure is defined as the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.

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