"Isoelectronic molecules and ions have identical bond orders." Explain by examples.

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Bond order in Isoelectronic molecules/ions :

If two or more diatomic molecule or ion are isoelectronic so its bond order is same. Example-$1$: $\mathrm{F}_{2}$ and $\mathrm{O}_{2}^{-2}$ both have same $18$ electrons and bond order is also same $1$ . $\mathrm{F}_{2}: \mathrm{F}-\mathrm{F}$ and $\mathrm{O}_{2}^{-2}(\mathrm{O}-\mathrm{O})^{2-}$

Example-$2$: $\mathrm{N}_{2}, \mathrm{CO}$ and $\mathrm{NO}^{+}$are isoelectronic and containing $14$ electron and triple bond in it.

Molecule/ion $\mathrm{N}_{2}$ $\mathrm{CO}$ $\mathrm{NO}^{+}$
Bond structure $\mathrm{N} \equiv \mathrm{N}$ $\mathrm{C} \equiv \mathrm{O}$ $\mathrm{N} \equiv \mathrm{O}^{+}$

 

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