Example to solvation exception to Le Chatlier's Principle?

[wormboge]

Would someone provide an example of the solvation exception to Le Chatlier's Principle?

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[sapientnarwhal]

solvation exception?

 

[Lawpy]

Would someone provide an example of the solvation exception to Le Chatlier's Principle?

I don’t know what you mean by solvation exception. But as an example, dissolving sodium hydroxide in water is an exothermic reaction. This means heat is released and is the product of the reaction. So by Le Chatelier’s principle, you would expect that decreasing the temperature would shift the reaction to the right and increase solubility of sodium hydroxide. However, solubility actually increases with increasing temperature.

For more information, see:

Increasing the solubility of sodium hydroxide

Le Chatelier's principle: Are there any exceptions?

 

[CommyO]

An additional example of Le Chatelier's principle is the bicarbonate buffer facilitated by the respiratory system

Increasing pH would cause lower H+ concentration, therefore shifting reaction to right
Decreasing pH would cause higher higher H+ concentration, promoting respiration (release of CO2(g))