A) \[\text{NO}_{3}^{-}\]
B) \[\text{O}_{2}^{-}\]
C) \[A{{g}^{+}}\]
D) \[{{K}^{+}}\]
Correct Answer: C
Solution :
When aqueous solution of \[\text{AgN}{{\text{O}}_{\text{3}}}\] is added to \[\text{KI}\] solution, positively charged sol of \[\text{AgI}\] is obtained due to the adsorption of \[\text{A}{{\text{g}}^{+}}\] ions on \[\text{AgI}\] molecules. \[\underset{\text{excess}}{\mathop{AgN{{O}_{3}}}}\,+KI\xrightarrow{{}}\underset{\downarrow A{{g}^{+}}}{\mathop{AgI}}\,+KN{{O}_{3}}\] \[\underset{\text{positively}\,\text{charged}\,\text{sol}}{\mathop{[AgI]A{{g}^{+}}}}\,\]
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