1) Based on valence bond theory, which statement best describes the electron geometry, bonding and hybridization of the central atom in carbon tetrachloride CCI, ? A) The electron geometry of carbon in carbon tetrachloride is tetrahedral with a sp3 hybridization. The C-CI bond is of 7-character. B) The electron geometry of carbon in carbon tetrachloride is tetrahedral with a sp3 hybridization. The C-CI bond is of o-character. C) The electron geometry of carbon in carbon tetrachloride is tetrahedral with a sp2 hybridization. The C-CI bond is of o-character.

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What is the hybridization of the highlighted atoms in the following structure? What are your estimates for the bond angles around these highlighted atoms?  in what kind of orbital does the lone pair of electrons on the nitrogen reside?

Two isomers share the molecular formula C3H4. In Structure A two ofthe carbon atoms are sp hybridized and one carbon atom is sp3 hybridized. In Structure B, two of the carbon atoms are sp2 hybridized and one carbon atom is sphybridized. b)Draw “3D”-looking structures on paper, make a sketch of each of the isomers. (This should be a sketch of themolecules, not diagrams of overlapping orbitals!) Your drawing should show thecorrect molecular geometry around each carbon atom. [HINT: NEITHER of thesemolecules is planar!!! To draw them correctly, you will have to consider why!]

17) What are the "theoretical" values for the C−C≡C bond angles?

Xenon Tetrafluoride, XeF, Lewis Structure 3-D Molecular Structure Number of Valence Electrons Steric Number of Central Atom Electron Group Geometry/ Hybridization Molecular Geometry Bond Angle(s) Polar? (If yes, show dipole on 3-D structure)

For Carbon B (CB) and nitrogen (N), draw orbital energy diagrams showing the orbitalsinvolved in bonding after hybridization. Be sure to fill the orbitals appropriately with valenceelectrons.

2) a) Consider the following molecule . Given what you have learned about hybridization theory, draw an image or images explaining the bonding situation in this molecule. I want you to draw out all of the orbitals, hybrid orbitals and how they overlap to form the bonds in the molecule. Indicate the % s or p character in the given atomic and hybrid orbitals. Which C-C bond or bonds are the longest? In a paragraph or so explain the image or images you just drew. b) Lastly, consider the molecule below. Indicate the Molecular formula, the molar mass, label the hybridization of each atom except for hydrogen, indicate any chiral centers with a *, which bond or bonds are the shortest, identify by name of each functional group with an arrow pointing to the group.