MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumPrevious Year Questions
The molar solubility of CaF2 5.3 10 sp K x in 0.1 M solution of NaF will be (Odisha NEET 2019) (a) 5.3 10 x (b) 0.5 10 x (c) 5.3 10 x (d) 0.125 10 x
Answer
C
Explanation
2 2 2 0.1M 0.1 M 2 2 2 CaF Ca 2 NaF Na F Ca , F 2 0.1 0.1M K Ca F s s sp F s s -> -> 2 11 11 9 1 2 9 1 2 5.3 10 s 0.1 5.3 10 s 5.3 10 molL 0.1 Molarsolubilityof CaF is5.3 10 molL x x x x
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