JEE Main & Advanced Sample Paper JEE Main Sample Paper-38

  • question_answer 16)  If \[{{s}_{0}},{{s}_{1}},{{s}_{2}}\] and \[{{s}_{3}}\]. are the solubility's of \[AgCl\] in water, \[0.01M\,CaC{{l}_{2}},\,\,0.01\,M\,\,NaCl\] and \[0.05\,M\,\,AgN{{O}_{3}}\] solutions, respectively, then

    A)  \[{{s}_{0}}>{{s}_{1}}>{{s}_{2}}>{{s}_{3}}\]      

    B)  \[{{s}_{0}}>{{s}_{2}}>{{s}_{1}}>{{s}_{3}}\]

    C)  \[{{s}_{0}}>{{s}_{2}}>{{s}_{3}}>{{s}_{1}}\]       

    D)  \[{{s}_{0}}>{{s}_{1}}={{s}_{2}}>{{s}_{3}}\]

    Correct Answer: B

    Solution :

     \[{{s}_{0}}=\sqrt{{{K}_{sp}};}\,{{s}_{1}}={{K}_{sp}}/0.02M;\,{{s}_{2}}={{K}_{sp}}/0.01\,M;\]\[{{s}_{3}}={{K}_{sp}}/0.05M\]Obviously \[{{s}_{0}}>{{s}_{2}}>{{s}_{1}}>{{s}_{3}}\]

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