1.

Solubility curve of a hydrated salt in water with temperature is given. The curve indicates that the solution process is :

Answer»

exothermic
proceding to MAINTAIN same `DeltaH`
endothermic
endothermic till `60^(@)C` and exothermic agterwards

Solution :It is endothermic till `60^(@)C` as colubility INCREASES with rise in temperature and then becomes exothermic as the solubility decreases with further rise in temperature for example, `Na_(2)SO_(4)10H_(2)O` behaves with same n=manner, For details, consult section 3.


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