Chem 334 - Fall 1999
Organic Chemistry I
Dr. Carl C. Wamser

Chapter 8 Pre-Quiz

1. All of the following are examples of nucleophiles EXCEPT

a) H2O

b) CH3OH

c) CH3ONa

d) H+

e) NH3

2. In the SN1 mechanism, the "1" stands for

a) unimolecular

b) most common mechanism

c) irreversible

d) one step

e) one intermediate

3. The SN1 and SN2 mechanisms differ in

a) stereochemistry

b) kinetics

c) effect of solvent polarity

d) effect of nucleophile concentration

e) all of the above

4. The Zaitsev Rule is used to predict

a) stereochemistry of additions

b) stereochemistry of eliminations

c) stereochemistry of substitutions

d) regiochemistry of additions

e) regiochemistry of eliminations

f) regiochemistry of substitutions

5. The compound that would react fastest in an SN2 reaction with a given nucleophile would be

a) methyl chloride

b) methyl bromide

c) methyl iodide

d) ethyl chloride

e) ethyl bromide

f) ethyl iodide