According to Le-Chatelier's principle and general thermodynamics, the solubility of an exothermic dissolution process decreases with an increase in temperature. Which of the following solid substances

Question

According to Le-Chatelier's principle and general thermodynamics, the solubility of an exothermic dissolution process decreases with an increase in temperature. Which of the following solid substances is a notable exception to this rule?

Prashant Kotian · Accepted Answer

Correct answer: B. The dissolution of in water is highly exothermic (). However, experimentally, its solubility increases with an increase in temperature, which is a standard exception in physical equilibrium.

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