The lowest O-O bond length in the following m | vedclass

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(B) To determine the $O-O$ bond length, we look at the bond order of each species:$1$. For $O_2$, the bond order is $2.0$ (bond length $\approx 121

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$O_2$

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(B) To determine the $O-O$ bond length, we look at the bond order of each species:$1$. For $O_2$, the bond order is $2.0$ (bond length $\approx 121 	ext{ pm}$).$2$. For $O_3$, the bond order is $1.5$ (resonance hybrid, bond length $\approx 128 	ext{ pm}$).$3$. For $H_2O_2$, the bond order is $1.0$ (bond length $\approx 148 	ext{ pm}$).$4$. For $O_2F_2$, the bond order is $1.0$, but due to the high electronegativity of fluorine and repulsion between lone pairs, the $O-O$ bond is significantly elongated (bond length $\approx 149 	ext{ pm}$).Comparing these, $O_2$ has the highest bond order and therefore the shortest $O-O$ bond length.

The lowest $O-O$ bond length in the following molecules is:

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