JEE Main & Advanced Chemistry Equilibrium Question Bank Common ion effect, Isohydric solutions, Solubility product, Ionic product of water and salt hydrolysis

  • question_answer The solubility of \[Ca{{F}_{2}}\] is a moles/litre. Then its solubility product is ?..                                  [Orissa JEE 2002]

    A)                 \[{{s}^{2}}\]       

    B)                 \[4{{s}^{3}}\]

    C)                 \[3{{s}^{2}}\]    

    D)                 \[{{s}^{3}}\]

    Correct Answer: B

    Solution :

    \[Ca{{F}_{2}}\]⇌\[\underset{(S)\,\,\,}{\mathop{C{{a}^{++}}}}\,+\underset{{{(2S)}^{2}}\,\,}{\mathop{2{{F}^{-}}}}\,\];\[{{K}_{sp}}=4{{S}^{3}}\]


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