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NEET Sample Paper NEET Sample Test Paper-53

  • question_answer
    The solubility of \[Fe{{\left( OH \right)}_{3}}\] is\[x\text{ }mol\text{ }{{L}^{-}}^{1}\]. Its \[{{K}_{sp}}\] would be-

    A) \[9{{x}^{3}}\]            

    B)   \[3{{x}^{4}}\]

    C) \[27{{x}^{4}}\]                      

    D) \[9{{x}^{4}}\]

    Correct Answer: C

    Solution :

    \[Fe{{(OH)}_{3}}\rightleftharpoons \,\,\underset{x}{\mathop{F{{e}^{+}}^{3}}}\,+\underset{3x}{\mathop{3O{{H}^{-}}}}\,~\]


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