CHE 24, Fall 1998 Name

Quiz 2

September 18, 1998

1. Draw the Newman projection of the highest energy conformation (least stable) of the compound shown below, sighting along the bond indicated with the arrow.

2. Do the following structures represent identical compounds, constitutional isomers (isomers), conformational isomers (conformers), or stereoisomers? Explain briefly.

 

3. What makes the chair conformer of cyclohexane lower in energy than a flat conformer, with all six carbons in the same ring? Your answer should have at least two reasons.

 

 

 

 

Provide the appropriate IUPAC names or chemical structures for the following.

4.

 

5. 3-bromo-5-tert-butylnonane