Portland State University - - Professor Carl C. Wamser

Chemistry 331 - Fall 1997

Chapter 1 Practice

Lewis Structures



Molecular Orbitals

Draw the atomic orbitals that create one of the C-H bonds in methane.

Draw the atomic orbitals that create the double bond in ethylene.

Identify the hybridization of every carbon atom in allene.

Draw the 3-dimensional structure of allene.

Identify the hybridization of every carbon atom in the following:

Write an accurate 3-D structure for the above compound.



Organic Structures

How many isomers exist for the following molecular formulas?

Are the following correct structures?

Are the following the same or different compounds?



Reactions

For each of the following reactions, describe the reaction type.

That is, what happened? Identify bonds broken and bonds made.



Polar Bonds

Describe the polarity of each of the bonds in the following molecules.