Pre-Quiz 7

1. Which of the following is chiral?

a) dichloromethane

b) 1,1-dichloroethane

c) 1,2-dichloroethane

* d) 1,2-dichloropropane

e) 1,4-dichlorobutane

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2. Chemists recently voted on the top ten chemistry breakthroughs in history. One was Louis Pasteur's work in 1848 on

a) the germ theory

b) pasteurization of milk

c) synthesis of polymers

* d) resolution of enantiomers

e) founding the Nobel Prize

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3. A meso compound is necessarily

a) a cyclic compound

b) chiral

* c) optically inactive

d) racemic

e) unsaturated

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4. Adrenaline, shown in your text on page 297, has how many chirality centers?

a) none

* b) one

* c) two (if you include N)

d) more than two

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5. The enantiomer of trans-1,2-dimethylcyclopropane is

* a) also trans

b) cis

c) 1,1-dimethycyclopropane