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In H—O—O—H, the bond between the two oxygen atoms is a single bond. The O2 molecule is a resonance hybrid of two forms: O=O → O and O←O. Therefore, its bond length will not be greater than which of the following?

1. H2O2
2. O3
3. O2 (O—O bond length)
4. None of these

Correct answer: None of these

Solution

The bond length of O2 is shorter than that of H2O2 and O3 due to its double bond character. However, the question's phrasing is ambiguous, and none of the options directly match the correct reasoning.

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