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BVP Medical BVP Medical Solved Paper-2003

  • question_answer
    When dilute aqueous solution of \[AgN{{O}_{3}}\] (excess) is added to \[KI\] solution, positively charged sol of \[AgI\] is formed due to adsorption of:

    A)  \[NO_{3}^{-}\]                                

    B)  \[O_{2}^{-}\]

    C)  \[A{{g}^{+}}\]                                  

    D)  \[{{K}^{+}}\]

    Correct Answer: C

    Solution :

                    When aqueous solution of \[AgN{{O}_{3}}\] is added to \[KI\] solution, positively charged sol of \[AgI\] is obtained due to the adsorption of \[A{{g}^{+}}\] ions on \[AgI\] molecules. \[\underset{excess}{\mathop{AgN{{O}_{3}}}}\,+KI\xrightarrow{{}}\underset{\begin{smallmatrix}  \downarrow A{{g}^{+}} \\  \underset{positively\,ch\arg edsol}{\mathop{[AgI]A{{g}^{+}}}}\, \end{smallmatrix}}{\mathop{AgI}}\,+KN{{O}_{3}}\]


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