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

  • question_answer If \[{{K}_{sp}}\] for \[HgS{{O}_{4}}\] is \[6.4\times {{10}^{-5}},\] then solubility of the salt is [AFMC 1997; KCET 2000;  CPMT 2000; JIPMER 2001]

    A)                 \[8\times {{10}^{-3}}\]  

    B)                 \[8\times {{10}^{-6}}\]

    C)                 \[6.4\times {{10}^{-5}}\]              

    D)                 \[6.4\times {{10}^{-3}}\]

    Correct Answer: A

    Solution :

               \[HgS{{O}_{4}}\]of \[{{K}_{sp}}={{S}^{2}}\]                                 \[S=\sqrt{{{K}_{sp}}}\]  ; \[S=\sqrt{6.4\times {{10}^{-5}}}\]; \[S=8\times {{10}^{-3}}\]m/l.

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