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CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2004

  • question_answer
    Consider the ion:\[{{K}^{+}},{{S}^{2-}},C{{l}^{-}}\]and\[C{{a}^{2+}}\]. The radii of these ionic species follow the order:

    A)  \[C{{a}^{2+}}>{{K}^{+}}>C{{l}^{-}}>{{S}^{2-}}\]

    B)  \[C{{l}^{-}}>{{S}^{2-}}>{{K}^{+}}>C{{a}^{2+}}\]

    C)  \[C{{a}^{2+}}>C{{l}^{-}}>K>{{S}^{2-}}\]

    D)  \[{{K}^{+}}>{{S}^{2-}}>C{{l}^{-}}>C{{a}^{2+}}\]

    E)  \[{{S}^{2-}}>C{{l}^{-}}>{{K}^{+}}>C{{a}^{2+}}\]

    Correct Answer: E

    Solution :

    The correct order of ionic radii of these ions is \[{{S}^{2-}}>C{{l}^{-}}>{{K}^{+}}>C{{a}^{2+}}\]


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