NEET Chemistry Chemical Bonding and Molecular Structure / रासायनिक आबंधन एवं आणविक संरचना NEET PYQ-Chemical Bonding Molecular

  • question_answer
    Which of the following has the minimum bond length?                                      [AIPMT (S) 2011]

    A)  \[O_{2}^{-}\] 

    B)                   \[O_{2}^{2-}\]

    C)  \[O_{2}^{{}}\]                      

    D)       \[O_{2}^{+}\]

    Correct Answer: D

    Solution :

    Bond order of\[O_{2}^{+}=\frac{10-5}{2}=2.5\]
    Bond order of\[O_{2}^{-}=\frac{10-7}{2}=1.5\]
    Bond order of\[O_{2}^{2-}=\frac{10-8}{2}=1\]
    Bond order of\[O_{2}^{{}}=\frac{10-6}{2}=2\]
    \[\because \]Maximum bond order = minimum bond length.                         
    \[\therefore \]Bond length is minimum for \[O_{2}^{+}\]


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