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Question: Answered & Verified by Expert
The solubility order for alkali metal fluoride in water is :
Chemistrys Block ElementsNEET
Options:
  • A LiF<RbF<KF<NaF
  • B RbF<KF<NaF<LiF
  • C LiF<NaF<KF<RbF
  • D LiF>NaF>KF>RbF
Solution:
1733 Upvotes Verified Answer
The correct answer is: LiF<NaF<KF<RbF
lattice enthalpy ∝1Solubility
Since the lattice enthalpy follow the order
LiF > NaF > KF > RbF
Hence, the correct order of solubility is
LiF<NaF<KF<RbF

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