Which of the following has the minimum bond length?

Step-by-step solution

Bond order of O ₂⁺= 10-5 2 =2.5 Bond order of O ₂⁻= 10-7 2 =1.5 Bond order of O ₂²⁻= 10-8 2 =1 Bond order of O ₂= 10-6 2 =2 Maximum bond order = minimum bond length. Bond length is minimum for O ₂⁺