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

  • question_answer
    Highest energy will be absorbed to eject out the electron in the configuration [RPMT 2000]

    A) \[1{{s}^{2}}2{{s}^{2}}2{{p}^{1}}\]

    B) \[1{{s}^{2}}2{{s}^{2}}2{{p}^{3}}\]

    C)  \[1{{s}^{2}}2{{s}^{2}}2{{p}^{2}}\]

    D) \[1{{s}^{2}}2{{s}^{2}}2{{p}^{4}}\]

    Correct Answer: B

    Solution :

    Due to high stability of half-filled orbitals.


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