For a solution (excluding solids dissolved in liquids) where the overall volume is smaller than the combined volumes of its pure components, how does solubility behave?

Stoichiometry MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Stoichiometrychemical-engineering › stoichiometry
Published
4 Mar 2019
Last updated
28 May 2026

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Explanation

When the total volume of a solution is less than the sum of the volumes of its individual pure components, solubility tends to increase with an increase in pressure. This is because higher pressure favors the formation of a denser solution, enhancing solubility.

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