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Sample Lab Questions

Investigation #31:
"Models for Organic Compounds"



These questions have been taken from lab quizzes given in previous years.
Some of the answers are listed at the end.

Note: The subscripts and superscripts may not appear as such. It depends upon your web browser.



1.
(1pt) Define "stereoisomers."

2.
(1pt) Define an "asymmetric carbon."

3.
(1pt) How do most properties of a pair of enantiomers differ?

4.
a. (2pts) Give an example of a pair of functional group isomers.
b. (2pts) What are geometric isomers? Give structural formulas of an example.

5.
(5pts) Draw all the positional isomers for the compound which has the formula C6H3BrCl2. (Hint: This compound has a benzene ring.)

6.
(5pts) Draw all the structural isomers for the compound which has the formula C4H8Cl2.

7.
(5pts) Draw all the structural isomers for the compound which has the formula C5H11Cl.


Answers

5.There are 6 isomers.
6.There are 7 isomers.
7.There are 8 isomers.


To report any corrections, please e-mail Dr. Wendy Keeney-Kennicutt.