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JEE Main & Advanced JEE Main Paper (Held on 08-4-2019 Morning)

  • question_answer
    The size of the iso-electronic species \[C{{l}^{-}},Ar\] and \[C{{a}^{2+}}\]is affected by - [JEE Main 8-4-2019 Morning]

    A) Principal quantum number of valence shell

    B) Nuclear charge

    C) Azimuthal qunatum number of valence shell

    D) Electron-electron interaction in the outer orbitals

    Correct Answer: B

    Solution :

    For isoelectronic species the size is compared by nuclear charge. Correct option: (b)


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