If the sum of bond orders of $\mathrm{O}_2^{-}$and $\mathrm{O}_2^{2-}$ is $x$, then bond order of $\mathrm{O}_2^{2+}$ will be

• Correct answer
  A

  1.20x
• B

  1.33x
• C

  1.50x
• D

  2.50x

Hence, the correct answer is option: 'A'.