Solubilty of the compounds of s-block elements depends on magnitude of lattice enthalpy and hydration enthalpy. Low solubility of LiF is due to

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High lattice enthalpy

High hydration enthalpy

Low lattice enthalpy

Low hydration enthalpy

answer is A.

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Detailed Solution

LiF has high Lattice and hydration enthalpy but lattice enthalpy dominates hydration enthalpy, thus solubility is low

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