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Among LiF and LiI, which is more soluble...

Among LiF and LiI, which is more soluble in water and why ?

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LiF is more soluble in water. According to Fajans's rule, `F^(Θ)` ion, being smaller as compared as compared to `I^(Θ)` ion, will be polarised to a greater extent. Hence LiF will be less convalent as compared to LiI and hence LiF will be more soluble in water as compared to LiI.
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