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The bond order of CO is 

Option: 1

4


Option: 2

3


Option: 3

2


Option: 4

1


Answers (1)

best_answer

As we have learnt,

CO has one sigma bond and two \pi bonds between C and O

Structure of CO

The Molecular orbital configuration is given as 

 \sigma_ {1s}^{2},\sigma ^{*2}_{1s},\sigma_{2s}^{2},\sigma ^{*2}_{2s},\pi _{2px}=\pi_{ 2py},\sigma_ {2pz}^{2}

bond order = \frac{N_{b}-N_{a}}{2}=\frac{10-4}{2}=3

Therefore, option (2) is correct.

Posted by

shivangi.bhatnagar

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