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JEE Main & Advanced Chemistry Chemical Bonding and Molecular Structure / रासायनिक आबंधन एवं आणविक संरचना Question Bank Molecular orbital theory

  • question_answer
    The number of antibonding electron pairs in \[O_{2}^{2-}\] molecular ion on the basis of molecular orbital theory is [Pb. PMT 2000]

    A)                 4

    B)                 3

    C)                 2             

    D)                 5

    Correct Answer: A

    Solution :

                    \[O_{2}^{2-}\] consist of four antibonding electron pair [1s and 2s have two antibonding and \[2{{p}_{x}}2{{p}_{y}}\] have two antibonding electron pair].


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