Organic Chemistry III |
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Professor Carl C. Wamser |
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Chem 336 - Spring Term |
Pre-Quiz 22 |
(must be done in D2L before Mon., April 30, 8:30 am)
1. Which of the phenols below is the strongest acid?
a) p-chlorophenol
b) p-nitrophenol
* c) 2,4-dinitrophenol
d) 3,5-dinitrophenol
2. The Williamson ether synthesis of anisole (methoxybenzene) would best be done using
a) iodobenzene plus sodium methoxide
* b) methyl iodide plus sodium phenoxide
c) benzyl iodide plus sodium methoxide
d) methyl iodide plus sodium benzyloxide
3. Salicylic acid could be prepared from phenol via what reaction?
a) Friedel-Crafts
* b) Kolbe-Schmitt
c) Claisen rearrangement
d) malonic ester synthesis
4. Para-benzoquinone could be formed by oxidation of what compound?
a) p-methylphenol
b) p-hydroxybenzoic acid
* c) p-dihydroxybenzene
d) p-benzenedicarboxylic acid
5. In ranking the rate of electrophilic substitution of these four compounds (1=high, 4=low), phenol would rank #
benzene, chlorobenzene, phenol, toluene
* a) 1
b) 2
c) 3
d) 4