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

  • question_answer
    The bond order of \[He_{2}^{+}\] molecule ion is [Pb. PMT 2000; Pb CET 2001]

    A)                 1             

    B)                 2

    C)                 \[\frac{1}{2}\]   

    D)                 \[\frac{1}{4}\]

    Correct Answer: C

    Solution :

               The electron?s distribution in molecular orbitals is \[1{{s}^{2}},\,2{{s}^{1}}\]                 B.O. \[=\frac{2-1}{2}=\frac{1}{2}=0.5\].


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