JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties Question Bank Atomic and lonic radii

  • question_answer The ionic radii of \[L{{i}^{+}},N{{a}^{+}},{{K}^{+}}\]are in which of the following order [MP PMT 2002]

    A) \[{{K}^{+}}>N{{a}^{+}}>L{{i}^{+}}\]

    B) \[{{K}^{+}}>N{{a}^{+}}<L{{i}^{+}}\]

    C) \[{{K}^{+}}<N{{a}^{+}}<L{{i}^{+}}\]

    D) \[L{{i}^{+}}>N{{a}^{+}}<{{K}^{+}}\]

    Correct Answer: A

    Solution :

    Ionic radii increases down the group.

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