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

  • question_answer \[{{I}_{2}}\] dissolves in KI solution due to the formation of  [CPMT 2004]

    A) \[K{{I}_{2}}\]and \[{{I}^{-}}\]

    B) \[{{K}^{+}},{{I}^{-}}\] and \[{{I}_{2}}\]

    C) \[KI_{3}^{-}\]

    D) None of these

    Correct Answer: C

    Solution :

    \[{{I}_{2}}\] forms complex ion \[I_{3}^{-}\] in \[KI\] solution due to which it dissolves in it.

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