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 first ionisation potential is maximum for [CPMT 2004]

    A) B

    B) N

    C) O

    D) Be

    Correct Answer: B

    Solution :

    Ionisation potential generally increases when we more in a period from left to right but \[I{{E}_{1}}\] of \[{{N}_{2}}\] is greater than that of \[{{O}_{2}}\]. It is due to the more stable (half-filled orbitals) configurations of N.


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