KVPY Sample Paper KVPY Stream-SX Model Paper-28

  • question_answer
    Correct order of second I. E. is -

    A) \[Li<Be<B<C<N<O<F<Ne\]

    B) \[Li<B<Be<C<O<N<F<Ne\]

    C) \[Be<C<B<N<F<O<Ne<Li\]

    D) \[Be<Li<C<Be<\text{N}<O<Ne<F\]

    Correct Answer: C

    Solution :

    \[B{{e}^{1{{s}^{1}}}}<{{C}^{2{{p}^{1}}}}<{{B}^{2{{s}^{2}}}}<{{N}^{2{{p}^{2}}}}<{{F}^{2{{p}^{4}}}}\]


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