Which of the following sets of conditions favors maximum solubility of an ionic solute in water?
A)The enthalpy of hydration of the cation should be equal to the enthalpy of hydration of the anion,regardless of the magnitude of the lattice energy.
B)The magnitude of the lattice energy should be small,and the enthalpy of hydration of the ions should be large.
C)The magnitude of the lattice energy should be small,and the enthalpy of hydration of the ions should be small.
D)The magnitude of the lattice energy should be large,and the enthalpy of hydration of the ions should be small.
E)The magnitude of the lattice energy should be large,and the enthalpy of hydration of the ions should be large.

Question

Quizplus · Accepted Answer

For maximum solubility of an ionic solute in water, the lattice energy (which must be overcome to dissolve the solute) should be small, and the enthalpy of hydration (energy released when ions are solvated by water) should be large. This combination favors the dissolution process energetically.

Which of the Following Sets of Conditions Favors Maximum Solubility