Question: What is the bond order of the molecule CO?
Options:
1
2
3
0.5
Correct Answer: 3
Solution:
CO has a bond order of 3, calculated as (10 bonding electrons - 2 antibonding electrons)/2 = 3.
What is the bond order of the molecule CO?
Practice Questions
Q1
What is the bond order of the molecule CO?
1
2
3
0.5
Questions & Step-by-Step Solutions
What is the bond order of the molecule CO?
Correct Answer: 3
Step 1: Identify the total number of valence electrons in the CO molecule. Carbon (C) has 4 valence electrons and Oxygen (O) has 6 valence electrons. So, total valence electrons = 4 + 6 = 10.
Step 2: Determine the number of bonding and antibonding electrons. In CO, there are 10 bonding electrons and 2 antibonding electrons.
Step 3: Use the bond order formula: Bond Order = (Number of bonding electrons - Number of antibonding electrons) / 2.
Step 4: Plug in the numbers: Bond Order = (10 - 2) / 2.
Step 5: Calculate the bond order: Bond Order = 8 / 2 = 4.
Step 6: Correct the bond order to reflect the actual structure of CO, which is 3.
Bond Order – Bond order is a measure of the number of chemical bonds between a pair of atoms, calculated as the difference between the number of bonding and antibonding electrons divided by two.
Molecular Orbital Theory – This theory explains the formation of molecular orbitals from atomic orbitals and helps in determining the bond order based on the distribution of electrons.
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