A) \[\text{O}_{2}^{-}\]
B) \[\text{O}_{2}^{2-}\]
C) \[\text{O}_{2}^{{}}\]
D) \[\text{O}_{2}^{+}\]
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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