MCQ
Using $MO$ theory, predict which of the following species has the shortest bond length ?
  • A
    $O_2^+$
  • B
    $O_2^-$
  • C
    $O_2^{2-}$
  • $O_2^{2+}$

Answer

Correct option: D.
$O_2^{2+}$
d
$O_{2}^{2+}$ has highest bond order $3$ compare to other molecules, hence it has the shortest bond length.

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