Chem 205 Quiz 3b p.1
NAME__________________________________
Conformational Analysis (20 pts)
You may use a model kit for this quiz, but it must not be pre-assembled.
1. Indicate whether the following pairs of structures are identical, constitutional isomers, or are
not related. (3 pts)
2. Draw any structure with the formula C7H14O2 that has an ester functional group (and may have
other functional groups. (2 pts)
3. Name the following structure according to the IUPAC rules: (3 pts)
4. Draw a Newman projection for the gauche conformation of 1-bromopropane viewed along the
C1-C2 bond. (3 pts)
Chem 205 Quiz 3b p.2
5. Draw a Newman projection for the lowest energy conformation of 2,3-dimethylbutane, viewed
along the C2-C3 bond. (4 pts)
6. Draw two chair conformations for trans-1-t-Butyl-3-chlorocyclohexane and circle the more
stable conformation. (5 pts)
7. Extra credit: What is the full name (not the abbreviation) for the gasoline additive that caused
problems when it leaked from storage tanks and was carried into the water table? (2 pts)