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Question: Answered & Verified by Expert
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
Chemistrys Block ElementsJEE Main
Options:
  • A Ionic nature of lithium fluoride
  • B High lattice enthalpy
  • C High hydration enthalpy of lithium ion
  • D Low ionisation enthalpy of lithium atom
Solution:
1189 Upvotes Verified Answer
The correct answer is: High lattice enthalpy
The lowest solubility of LiF in water is due to strong packing of Li+ and F- ion, lattice energy of LIF is higher than its hydration energy.

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