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CBSE Class 12-science Answered

sir,plz give me the explanation of electron gain enthalpy, ionisation enthalpy, enthalpy of dissociation, hydration enthalpy.sometimes i get confused with these terms.
Asked by jaspreet singh | 18 Feb, 2011, 12:25: PM
answered-by-expert Expert Answer
Dear Student
 
Enthalpy---Enthalpy is the measure of the total energy of a system. 
 
Ionization enthalpy---heat evolved when any atom get ionized is called inonization enthalpy:
 
Enthalpy of dissociation-----The enthalpy change when ONE MOLE of an ionic lattice dissociates into isolated gaseous ions.
 
Hydration enthalpy----Hydration enthalpy of an ion is the amount of energy released when a mole of the ion dissolves in a large amount of water forming an infinite dilute solution in the process.
 
We hope that clarifies your query.
Regards
Team
Topperlearning
Answered by | 18 Feb, 2011, 02:16: PM
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