NEET Sample Paper NEET Sample Test Paper-75

  • question_answer
    Which of the following order of element is correct regarding 1st ionisation enthalpy?

    A)  \[B<C<N<O<F\]

    B)  \[B<C<N>O<F\]

    C)  \[B > C > N > O > F\]

    D)  \[B >C < N > O > F\]

    Correct Answer: B

    Solution :

    Due to half-filled electronic configuration the removal of electron from its outermost shell requires high energy.


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