Question

Bond order of {{O}_{2}}
is [DPMT 2004]
A) 2 B) 1.5 C) 3 D) 3.5

Answer 1

bond order is :

(no. of bonding electrons - no. of antibonding electrons)/2

no. of bonding e in o2 = 10
no. of antibonding e in o2 = 6

10-6 = 4
4/2 = 2


so 2 is the bond order for o2