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Q. The solubility of metal halides depends on their nature, lattice enthalpy and hydration enthalpy of the individual ions. Amongst fluorides of alkali metals, the lowest solubility of $LiF$ in water is due to

The s-Block Elements

Solution:

low solubility of $LiF$ in water is due to its high lattice enthalpy. Smaller $Li^+$ ion is stabilised by smaller $F^-$ ion.