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

  • question_answer \[{{K}_{sp}}\]for sodium chloride is \[36\,\,mo{{l}^{2}}/litr{{e}^{2}}.\] The solubility of sodium chloride  is             [BHU 1981]

    A)                 \[\frac{1}{36}\]

    B)                 \[\frac{1}{6}\]

    C)                 6             

    D)                 3600

    Correct Answer: C

    Solution :

               NaCl ⇌ \[\begin{matrix}    N{{a}^{+}}\, & + & \,C{{l}^{-}}  \\    S\,\,\,\,\, & {} & \,S\,\,\,\,  \\ \end{matrix}\]                                 \[{{K}_{sp}}={{S}^{2}}\], \[S=\sqrt{{{K}_{sp}}}=\sqrt{36}=6\].

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