In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is__________________?
Correct answer: D. Decreased with the increase in pressure
- A. Independent of the temperature
- B. Increased with the increase in pressure
- C. Unchanged by the pressure change
- D. Decreased with the increase in pressure
Explanation
When mixing causes volume expansion, increasing pressure favours the lower-volume state and reduces dissolution. Therefore, the solubility decreases as pressure increases.
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