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

  • question_answer
    For C, N, O, and F, which of the following orders is correct for IP ?

    A)  F>O>O>N        

    B) O>F>N>C

    C) F>N>O>C     

    D) N>F>O>C

    Correct Answer: C

    Solution :

    [c] On moving left to right in period due to increase in ENC ionization potential increases. But N has half-filled p-subshell (stable) so it has more ionization potential than oxygen. \[\therefore F>N>O>C\]


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