Question

The bond order of O₂⁺⁺ is?
a) 1.5 b) 2.0 c)3.0 d) 2.5

Answer 1

 Bond order = 20 - N       [Where N = Total no of electrons]
                        2 
  for O2++ = total no of electron = 14        [ O2++ = O2^2+]
bond order = 20 -14 = 3 
                       2