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

  • question_answer
    The correct order of ionisation energy for comparing carbon, nitrogen and oxygen atoms is [UPSEAT 2004]

    A) \[C>N>O\]

    B) \[C>N<O\]

    C) \[C<N>O\]

    D) \[C<N<O\]

    Correct Answer: C

    Solution :

    Nitrogen has more ionisation potential than carbon & oxygen because, if outermost orbit is half filled so it is more stable & order is \[C<N>O\]


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