NEET Sample Paper NEET Sample Test Paper-50

  • question_answer A constant current of 1.50 amp is passed through an electrolytic cell containing 0.10 N solution of \[AgN{{O}_{3}}\] and a silver anode and platinum cathode are used. After some time, the concentration of \[AgN{{O}_{3}}\] solution may be-

    A) Equal to 0.10 M

    B) Lessthan0.10M

    C) Greater than 0.10M

    D) Data are not sufficient

    Correct Answer: A

    Solution :

    In the process Ag anode is oxidised to \[A{{g}^{+}}\] \[\therefore \,\,At\,\,anode:\,\,Ag\,\,\to \,\,A{{g}^{+}}+{{e}^{-}}~\] At cathode: \[A{{g}^{+}}+{{e}^{-}}\,\,\to \,\,Ag\] \[\therefore \] cone, of solution remains same.

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