Grade 12Physical Chemistry
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 1 kcal/mol. If the solution energies of Na+ and Cl- are in the ratio 6:5, what is the enthalpy of hydration of Na+ ion.(A) – 85.6 kcal/mol(B) – 97.5 kcal/mol(C) 82.6 kcal/mol(D) +100 kcal/mol
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 1 kcal/mol. If the solution energies of Na+ and Cl- are in the ratio 6:5, what is the enthalpy of hydration of Na+ ion.
(A) – 85.6 kcal/mol
(B) – 97.5 kcal/mol
(C) 82.6 kcal/mol
(D) +100 kcal/mol
