JEE Main & Advanced Chemistry The p-block Elements-II Question Bank Halogen Family

  • question_answer The solubility of \[{{I}_{2}}\] increases in water in the presence of  [Pb. CET 2002]

    A) KI

    B) \[{{H}_{2}}S{{O}_{4}}\]

    C) \[KMn{{O}_{4}}\]

    D) \[N{{H}_{3}}\]

    Correct Answer: A

    Solution :

    Iodine \[({{I}_{2}})\] is slightly soluble in water but it dissolves in 10% aqueous solution of KI due to the formation of potassium triodide \[(K{{I}_{3}})\].

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