Which of the following compounds has a positive enthalpy of solution?
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a
LiF
b
LiCl
c
LiBr
d
LiI
answer is A.
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Detailed Solution
The low solubility of LiF in water is due to its higher lattice enthalpy than hydration enthalpy, LiF has a positive enthalpy of solution.ΔHsoln=ΔHL.E.−ΔHHE1+ΔHHE2