JEE Main & Advanced Sample Paper JEE Main Sample Paper-25

  • question_answer
    Among the following which one will have the largest O-O bond length:

    A)  \[K{{O}_{2}}\]                        

    B)  \[{{O}_{2}}\]

    C)  \[{{O}_{2}}^{+}{{[As{{F}_{6}}]}^{-}}\]                

    D)  \[{{K}_{2}}{{O}_{2}}\]

    Correct Answer: A

    Solution :

    (1) \[B_{2}^{-}\,B.O.\,=1\frac{1}{2}\,\] (2) \[{{O}_{2}}B.O=2\] (3) \[{{O}_{2}}^{+}\,=2\frac{1}{2}\]              (4) \[O_{2}^{2-}=1\] Bond order \[\propto \,\frac{\text{1}}{\text{bond}\,\text{length}}\]


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