The internuclear distances in $\mathrm{O}-\mathrm{O}$ bonds for $\mathrm{O}_2^{+}, \mathrm{O}_2,…
The internuclear distances in $\mathrm{O}-\mathrm{O}$ bonds for $\mathrm{O}_2^{+}, \mathrm{O}_2, \mathrm{O}_2^{-}$and $\mathrm{O}_2^{2-}$ respectively are :
$1.30 ~Å, 1.49 ~Å, 1.12 ~Å, 1.21 ~Å$
$1.49 ~Å, 1.21 ~Å, 1.12 ~Å, 1.30 ~Å$
$1.21 ~Å, 1.12 ~Å, 1.49 ~Å, 1.30 ~Å$
$1.12 ~Å, 1.21 ~Å, 1.30 ~Å, 1.49 ~Å$
Solution
The bond length follows the order
$\mathrm{O}_2^{+} < \mathrm{O}_2 < \mathrm{O}_2^{-} < \mathrm{O}_2^{2-}$
According to this the possible values are
$1.12 ~Å, 1.21 ~Å, 1.30 ~Å, 1.49 ~Å$