4. There are two spectra on the next page, one for each of the following compounds: BAN W с Draw a resonance structure of each compound (use the alkene electrons, and think of D as an enol ether). How could these resonance structures be used to distinguish the spectra? (Think about, in particular: a) How can the chemical shifts of the vinylic protons be used to distinguish which spectrum belongs to which compound? b) How can the chemical shift of the aliphatic (i.e. sp.) methylene group be used to distinguish which spectrum belongs to which compound?) A A www MEN CELELEEE WW YY D S Y 89 1. M W
4. There are two spectra on the next page, one for each of the following compounds: BAN W с Draw a resonance structure of each compound (use the alkene electrons, and think of D as an enol ether). How could these resonance structures be used to distinguish the spectra? (Think about, in particular: a) How can the chemical shifts of the vinylic protons be used to distinguish which spectrum belongs to which compound? b) How can the chemical shift of the aliphatic (i.e. sp.) methylene group be used to distinguish which spectrum belongs to which compound?) A A www MEN CELELEEE WW YY D S Y 89 1. M W
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![4.
There are two spectra on the next page, one for each of the following compounds:
W
с
Draw a resonance structure of each compound (use the alkene electrons, and think of D as an
enol ether). How could these resonance structures be used to distinguish the spectra? (Think
about, in particular: a) How can the chemical shifts of the vinylic protons be used to distinguish
which spectrum belongs to which compound? b) How can the chemical shift of the aliphatic
(i.e. sp³) methylene group be used to distinguish which spectrum belongs to which compound?)
A
w
||
YY
10
W
H
D
3
WE
Y
B
W
H
MI
H](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F771aeec1-d304-4d32-9f63-b7e5bc2c17fc%2F3f0980cc-cd0d-4a7b-9be1-a3d42da7e6f1%2Feiohlnl_processed.png&w=3840&q=75)
Transcribed Image Text:4.
There are two spectra on the next page, one for each of the following compounds:
W
с
Draw a resonance structure of each compound (use the alkene electrons, and think of D as an
enol ether). How could these resonance structures be used to distinguish the spectra? (Think
about, in particular: a) How can the chemical shifts of the vinylic protons be used to distinguish
which spectrum belongs to which compound? b) How can the chemical shift of the aliphatic
(i.e. sp³) methylene group be used to distinguish which spectrum belongs to which compound?)
A
w
||
YY
10
W
H
D
3
WE
Y
B
W
H
MI
H
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