The bond order in O ₂ ²⁻ is-

Step-by-step solution

Bond order of O ₂ ²⁻ Total electron =18 Configuration = KK (2 ~s )² ^ * (2 ~s )² (2 p _ z )² (2 p _ x )² (2 p_ y )² ^ * (2 p _ x )² ^ * (2 p _ y )² Bond order = N _ b - N _ a 2 = 8-6 2 =1.0