Chem 335 - Winter 2000
Organic Chemistry II
Dr. Carl C. Wamser

Chapter 11 Pre-Quiz

1. Allyl ethyl ether would have the IUPAC name

a) 1-ethoxymethylethene

b) 1-ethoxypropene

c) 2-ethoxypropene

d) 3-ethoxypropene

e) none of the above

2. Unlike most ethers, epoxides are relatively reactive with nucleophiles because

a) epoxides are more polar

b) epoxides are more electron-deficient

c) epoxides are better Lewis acids

d) epoxides are more basic

e) epoxides have substantial ring strain

3. A t-butyl ether is often used as a protecting group because

a) it creates steric hindrance

b) it is relatively easily hydrolyzed

c) it creates increased reactivity

d) it reacts with bases but not acids

e) it undergoes no reactions

4. Which of the following compounds will have the lowest solubility in water?

a) ethanol

b) 1-butanol

c) diethyl ether

d) dibutyl ether

e) octane

5. Charles Pedersen received the 1987 Nobel Prize in chemistry for work on

a) epoxy resins

b) birth control pills

c) crown ethers

d) anesthetics

e) sulfur chemistry