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# The lowest O-O bond length in the following molecule is:A. ${{O}_{2}}{{F}_{2}}$B. ${{O}_{2}}$C. ${{H}_{2}}{{O}_{2}}$D. ${{O}_{3}}$

Last updated date: 18th Jun 2024
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Hint: As we know that bond length is the average distance in between the nuclei of the two bonded atoms in a molecule. It is basically a property of a bond between atoms that is transferable, and is independent from the rest of the molecule.

- With the multiplicity of the bond that is with the increase in the number of bonds between same atoms, the bond length is found to decrease. Therefore, we can see that the order of bond length of carbon-carbon bonds is: $C\equiv C$< C=C < C-C
From the above discussion, we can say that ${{O}_{2}}{{F}_{2}}$ molecule has the lowest O-O bond length.
- Hence, we can conclude that the correct option is (a), that is the lowest O-O bond length is of ${{O}_{2}}{{F}_{2}}$ molecule.