Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the_______________?
Correct answer: B. Low pressure and low temperature
- A. Low pressure and high temperature
- B. Low pressure and low temperature
- C. High pressure and low temperature
- D. High pressure and high temperature
Explanation
Le Chatelier's principle gives low pressure when dissolution causes an increase in volume, while liberation of heat is favoured by lowering the temperature. Therefore, low pressure and low temperature favour the process.
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