In which condition is the solubility of a gas in a liquid likely to be highest?
Answer and explanation
Correct answer: High pressure and low temperature
For most gases, increasing pressure increases dissolution because more gas molecules are pressed into contact with the liquid. Lowering temperature generally increases gas solubility because gas escape is less favoured for the usually exothermic dissolution. Thus high pressure and low temperature provide the most favourable combination. An open vessel and high temperature promote loss of dissolved gas.
Frequently asked questions
What is the correct answer to this question?
High pressure and low temperature
Why is this the correct answer?
For most gases, increasing pressure increases dissolution because more gas molecules are pressed into contact with the liquid. Lowering temperature generally increases gas solubility because gas escape is less favoured for the usually exothermic dissolution. Thus high pressure and low temperature provide the most favourable combination. An open vessel and high temperature promote loss of dissolved gas.
Which subject and chapter does this question cover?
This is a Class 11 Chemistry question. Chapter: Chapter 01: Solutions.
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