1.

Calculate the lattice enthalpy of KCl from the following data at standard states-Enthalpy of sublimation of K=89 kJmol−1Enthalpy of dissociation of Cl2=244 kJmol−1Ionisation energy of K=425 kJmol−1Electron gain enthalpy of Cl=−355 kJmol−1Enthalpy of formation of KCl=−438 kJmol−1

Answer»

Calculate the lattice enthalpy of KCl from the following data at standard states-

Enthalpy of sublimation of K=89 kJmol−1

Enthalpy of dissociation of Cl2=244 kJmol−1

Ionisation energy of K=425 kJmol−1

Electron gain enthalpy of Cl=−355 kJmol−1

Enthalpy of formation of KCl=−438 kJmol−1


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