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(C) The bond energy depends on the strength of the bond between atoms. In the given molecules ($N-N$,$F-F$,$C-C$,$O-O$),all are connected by single bo

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$C-C$

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(C) The bond energy depends on the strength of the bond between atoms. In the given molecules ($N-N$,$F-F$,$C-C$,$O-O$),all are connected by single bonds.$1$. In $F-F$,$O-O$,and $N-N$,the atoms possess lone pairs of electrons. These lone pairs cause significant inter-electronic repulsion,which increases the bond length and decreases the bond dissociation energy.$2$. Carbon atoms in $C-C$ do not have lone pairs,resulting in less repulsion and a stronger,more stable bond compared to the others.Therefore,the molecule with the highest bond energy is $C-C$.

The molecule having the highest bond energy among the following is:

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