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  5. Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति

JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Atomic and lonic radii

  • question_answer
    The ionic radii of \[{{N}^{3-}}\], \[{{O}^{2-}}\], \[{{F}^{-}}\] and \[N{{a}^{+}}\] follow the order [MP PET/PMT 1998; MP PMT 2000]

    A) \[{{N}^{3-}}>{{O}^{2-}}>{{F}^{-}}>N{{a}^{+}}\]

    B) \[{{N}^{3-}}>N{{a}^{+}}>{{O}^{2-}}>{{F}^{-}}\]

    C) \[N{{a}^{+}}>{{O}^{2-}}>{{N}^{3-}}>{{F}^{-}}\]

    D) \[{{O}^{2-}}>{{F}^{-}}>N{{a}^{+}}>{{N}^{3-}}\]

    Correct Answer: A

    Solution :

      As effective nuclear charge on \[N{{a}^{+}}\] is maximum. It has smallest size.


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