MHT CET Chemistry question

The low solubility of LiF and CsI is due to

(A)smaller lattice enthalpy, high hydration enthalpy
(B)high lattice enthalpy, smaller hydration enthalpyCorrect
(C)high lattice enthalpy, high hydration enthalpy
(D)low lattice enthalpy, low hydration enthalpy

Answer: (B)

Solution

LiF has a very high lattice enthalpy and CsI has a comparatively low hydration enthalpy of its large ions, so in both salts the hydration enthalpy is not enough to

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Question ID VK-067183