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Bond Order from Lewis Dot Structure - Chemical Bonding Video Lecture | Inorganic Chemistry

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FAQs on Bond Order from Lewis Dot Structure - Chemical Bonding Video Lecture - Inorganic Chemistry

1. What is bond order?
Ans. Bond order is a measure of the strength and stability of a chemical bond. It indicates the number of chemical bonds between a pair of atoms in a molecule. The bond order is calculated by subtracting the number of electrons in bonding orbitals from the number of electrons in antibonding orbitals and dividing the result by two.
2. How is bond order determined from a Lewis dot structure?
Ans. Bond order can be determined from a Lewis dot structure by counting the number of bonding electron pairs between two atoms and dividing it by two. In a Lewis dot structure, each bond (single, double, or triple) represents one bonding electron pair. Therefore, the total number of bonds between two atoms gives the bond order.
3. What does a higher bond order indicate?
Ans. A higher bond order indicates a stronger and more stable bond between two atoms. It suggests that there are more bonding electron pairs, resulting in stronger electrostatic attraction between the atoms. Generally, molecules with higher bond orders tend to be more reactive and have shorter bond lengths.
4. How does bond order affect the properties of a molecule?
Ans. Bond order directly affects the properties of a molecule. Higher bond orders are associated with stronger bonds, leading to increased bond energy and decreased bond length. This results in higher melting and boiling points, as well as greater stability. Molecules with higher bond orders also tend to have higher bond dissociation energies, making them less likely to break apart.
5. Can bond order be fractional?
Ans. Yes, bond order can be fractional. Fractional bond orders occur when there is a resonance structure or when the bond length is between two whole numbers. Fractional bond orders indicate a partial bond and suggest that the bond is weaker and less stable compared to a whole number bond order.
40 videos|91 docs|41 tests
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