Which of the following has the minimum bond length?

Answers (1)

As we learnt in

Bond Order -

Bond order is defined as one half the difference between the number of electrons present in the bonding and the antibonding orbitals.

- wherein

Bond \:Order=\frac{N_{b}-{N_{a}}}{2}
 We know that bond order \propto \frac{1}{Bond\: Length}

of all the species given, O_{2}^{+} has the highest bond order at 2.5 thereby giving it the lowest bond length.

Option 1)

O_{2}^{+}

This is the correct option

Option 2)

O_{2}^{-}

This is an incorrect option

Option 3)

O_{2}^{2-}

This is an incorrect option

Option 4)

O_{2}

This is an incorrect option

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