KVPY Sample Paper KVPY Stream-SX Model Paper-2

  • question_answer
    \[AgNO{{~}_{3}}\](aq.) was added to an aqueous KCl solution gradually and the conductivity of the solution was measured. The plot of conductance  \[\left( \wedge  \right)\]versus the volume of \[AgNO{{~}_{3}}\] is
                       

    A) (P)                               

    B) (Q)

    C) (R)                               

    D) (S)

    Correct Answer: D

    Solution :

    [d] \[AgN{{O}_{3}}(aq)+KCl(aq)\xrightarrow{{}}AgCl(s)\,+KN{{O}_{3}}(aq)\] Conductivity or the solution is almost compensated due to formation of \[KN{{O}_{3}}(aq)\]however, after at end point, conductivity increases more rapidly due to addition of excess \[AgN{{O}_{3}}\] solution.


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