Question

The bond order in $CO_(2)^(2-)$ ion between C - O is
A. Zero
B. $0.88$
C. $1.33$
D. 2

Answer 1

Correct Answer - c
We know that carbonate ion has following resonating structures

Bond $= ("Total number of bonds between atoms")/("Total number of resonating structure")$
$= (1 + 1 + +2)/(3) = (4)/(3) = 1.33$