The correct decreasing order of the bond length in , and is: — Chemical Bonding Chemistry Question
Question
The correct decreasing order of the $O-O$ bond length in $H_2O_2, O_3$, and $O_2$ is:
Answer: C
💡 Solution & Explanation
Bond length is inversely proportional to bond order. $H_2O_2$ has a pure single $O-O$ bond (BO = 1). $O_3$ is a resonance hybrid (BO = 1.5). $O_2$ has a pure double bond (BO = 2). Thus, length decreases: $H_2O_2 > O_3 > O_2$.
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