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Wize University Chemistry Textbook > Valence Bond Theory (Hybridization)

Orbital Overlap Diagrams

Practice with Sigma and Pi BondsPrevious Section
Detailed Look at HybridizationNext Section
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Use Valence Bond Theory to draw an orbital overlap diagram for:


Make sure to label all orbitals and list the bonds between each atom.








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Acetone C3H6O is shown below



a) What is the hybridization of each non-hydrogen atom?


O : sp2
C (bound to O): sp2
Other C's: sp3




b) What type of bond is formed between the carbon atoms of acetone? Use valence bond theory nomenclature.

σ(sp3−sp2)\sigma\left(sp^3-sp^2\right)






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c) Draw a valence bond diagram and an orbital overlap diagram for the C=O bond in acetone.


See the last frame of the video
















Extra Practice
Hybridization, Shape of Molecules
Draw the complete structure of the following molecule and identify the orbitals involved for each bond:
Hybridization: Orbital Overlap Diagrams
The hybrid orbitals are used for sigma bonds and lone pairs. The remaining p orbitals are used for pi bonds or vacant orbitals such as the case for B (Group 13 elements).
Draw the orbital overlap of acetonitrile using the Lewis structure shown.
What would the symmetry be of the molecular orbitals formed through the combination of a 1s orbital and a 2p orbital?
Orbital Overlap Diagrams
Given the following sigma framework for a molecule of phosgene, COCl2, which of the orbitals of oxygen
will be responsible for its pi interaction?
i. 2px
Orbital Overlap Diagrams
Use the axes to your right and your understanding of valence bond theory to decide which of the statements correctly explains the bolded piece in each diagram.
Hybridization: Orbital Overlap
Use the axes to your right and your understanding of valence bond theory to decide which of the statements correctly explains the bolded piece in each diagram.
VSEPR: σ and π Frameworks with Consecutive Double Bonds
Answer the following questions about the species H2CN2, whose Lewis structure is shown below:
VSEPR: σ and π Frameworks with Triple Bonds
Solve the following two part question, regarding the line drawing shown below.
Part 1:
Part 2:
Practice: σ and π Frameworks
Solve the following two part question, regarding the line drawing shown below.
Part 1:
The condensed formula of the molecule shown below is:
ClC(O)CH3