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

  • question_answer
    A solution which is \[{{10}^{-3}}M\] each in \[M{{n}^{2+}},\,F{{e}^{2+}},\,Z{{n}^{2+}}\] and \[H{{g}^{2+}}\] is treated with \[{{10}^{-16}}M\] sulphide ion. If \[{{K}_{sp}}\] of \[MnS,\,FeS,\,ZnS\] and \[HgS\] are \[{{10}^{-15}},\,{{10}^{-23}},\,{{10}^{-20}}\] and \[{{10}^{-54}}\] respectively, which one will precipitate first [IIT Screening 2003]

    A)                 \[FeS\]

    B)                 \[MgS\]

    C)                 \[HgS\]

    D)                 \[ZnS\]

    Correct Answer: C

    Solution :


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