Question

The bond order is maximum in

[AIIMS 1983, 85; CBSE PMT 1994; MP PET 2002]

• A.
  
• B.
  
• C.
  
• D.
  

Answer 1

The correct option is C

B.O. of $O_2$ is 2, B.O. of $O_2^{-1}$ is 1.5, B.O. of $O_2^{+1}$ is 2.5 and of $O_2^{2-}$ is 1.