Organic Chemistry III |
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Professor Carl C. Wamser |
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Chem 336 - Spring 2008 |
Pre-Quiz 22 |
(must be done in Blackboard before Fri., April 18, 8:30 am)
1. The strongest base in the list below is
a. aniline
b. p-nitroaniline
c. diphenylamine
* d. benzylamine
e. pyridine
2. The conjugate acid of imidazole has a pKa of 7. This means that adding imidazole to pure water will give a solution that is
a. acidic (pH < 7)
* b. basic (pH > 7)
c. neutral (pH = 7)
3. Hoffmann elimination from tetrabutyl ammonium hydroxide will give mainly which alkene?
* a. 1-butene
b. cis-2-butene
c. trans-2-butene
d. ethylene
e. propylene
4. The diazonium ion prepared from p-nitroaniline can be treated with copper chloride to give
a. p-chloroaniline
* b. p-chloronitrobenzene
c. p-chlorophenol
d. p-nitrophenol
e. p-nitrophenylcuprate
5. Reductive amination is a useful synthetic reaction for preparation of
a. primary amines only
b. secondary amines only
c. tertiary amines only
* d. primary, secondary, or tertiary amines