Organic Chemistry I

Chem 334 - Fall 2010

Pre-Quiz 6

Professor Carl C. Wamser

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Your answers must be submitted before 8:30 am, Fri, Oct 29

1. Which one of the following would be an example of a trisubstituted alkene?

a. cyclohexene
* b. 1-methylcyclohexene
c. 1,2-dimethylcyclohexene
d. 1,2,3-trimethylcyclohexene

2. Syn hydrogenation of 1,2-dimethylcyclohexene will give as the major product

* a. cis-1,2-dimethylcyclohexane
b. trans-1,2-dimethylcyclohexane

3. Anti addition of Br2 to cyclohexene will give as the major product

a. 1,1-dibromocyclohexane
b. cis-1,2-dibromocyclohexane
* c. trans-1,2-dibromocyclohexane
d. bromocyclohexane

4. According to the Markovnikov Rule, addition of HBr to 1-methylcyclohexene will give as the major product

a. bromocyclohexane
* b. 1-bromo-1-methylcyclohexane
c. cis-1-bromo-2-methylcyclohexane
d. trans-1-bromo-2-methylcyclohexane

5. The monomer used to make Teflon polymer is

a. ethene
b. fluoroethene
c. 1,1-difluoroethene
d. 1,2-difluoroethene
* e. 1,1,2,2-tetrafluoroethene