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The lattice energy of solid NaCl is 180 Kcal/mol. The dissolution of the solid in water in the form of ions is endothermic to the extent of 1kcal per mol. If the solvation energies of Na & Cl ions are in the ratio 6:5, the enthalpy of hydration of soduim ion is: a)-85.6 Kcal/mol b)-97.5 Kcal/mol c) 82.6 kcal/mol d)100 Kcal/mol Please post explanation also.


The lattice energy of solid NaCl is 180 Kcal/mol. The dissolution of the solid in water in the form of ions is endothermic to the extent of 1kcal per mol. If the solvation energies of Na & Cl ions are in the ratio 6:5, the enthalpy of hydration of soduim ion is:


a)-85.6 Kcal/mol                            b)-97.5 Kcal/mol                     c) 82.6 kcal/mol                d)100 Kcal/mol


 


Please post explanation also.


Grade:upto college level

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