RAJASTHAN ­ PET Rajasthan PET Solved Paper-2003

  • question_answer
    Which of the following atoms or ions has minimum radius?

    A)  H

    B)  \[{{H}^{+}}\]

    C)  \[L{{i}^{++}}\]

    D)  Deuteron

    Correct Answer: C

    Solution :

     In outer orbit of\[H,H{{e}^{+}}\]and\[L{{i}^{++}}\]one electron is present and due to less attraction of nucleus of\[L{{i}^{++}}\]its ionic radius will also be minimum.


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