CHEMISTRY
2nd Edition
ISBN: 9781593995782
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Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 20, Problem 48E
The foul odor of rancid butter is caused by butyric acid, CH3CH2CH2CO2H.
(a) Draw the Lewis structure and determine the oxidation number and hybridization for each carbon atom in the molecule.
(b) The esters formed from butyric acid are pleasant-smelling compounds found in fruits and used in perfumes. Draw the Lewis structure for the ester formed from the reaction of butyric acid with 2-propanol.
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(11pts total) Consider the arrows pointing at three different carbon-carbon bonds in the
molecule depicted below.
Bond B
Bond A
Bond C
a. (2pts) Which bond between A-C is weakest? Which is strongest? Place answers in
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Weakest
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Strongest
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b. (4pts) Consider the relative stability of all cleavage products that form when bonds A,
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representation is fine.
ii. Which ONE cleavage product is the least stable? A condensed or bond line
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radical. Written explanation can be no more than one-two succinct sentence(s)!
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3°C
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TH
12. (10pts total) Provide the major product for each reaction depicted below. If no reaction
occurs write NR. Assume heat dissipation is carefully controlled in the fluorine reaction.
3H
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24
21
2h
• 6H total
● 8H total
34
래
Br2
hv
major product
will be most
Substituted
12
hv
Br
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I too weak of a
participate in P-1
F₂
hv
Statistically
most favored
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=
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LL
F
Five chemistry project topic that does not involve practical
Chapter 20 Solutions
CHEMISTRY
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