The low solubility of LiF and that of CsI in water are respectively due to which of the properties of the alkali metal ions?
A. Higher hydration enthalpy of `Li^(+)`, higher lattice enthalpy of `Cs^(+)`
B. Smaller hydration enthalpy of `Li^(+)`, higher latttice enthalpy of `Cs^(+)`
C. Smaller lattice enthalpy of `Li^(+)`, higher hydration enthalpy of `Cs^(+)`
D. Higher lattice enthalpy of `Li^(+)`, smaller hydration enthalpy of `Cs^(+)`.
