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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Question
(42) Which of the following structures corresponds to the attached 1H-NMR spectrum?

Transcribed Image Text:C8H1802
1
(broad singlet)
5
1
(sixtet)
-CH₂
-CH₂-
-CH-
-C-C-CH₂
-&-CH,
-CH₂
-C=C-H
R-O-CH₂
2
(triplet)
PPM
TABLE 13.1 Approximate Values of Chemical Shifts for ¹H NMR
Type of proton Approximate chemical shift (ppm) Type of proton
(CH),Si
0
&H
1-4-1
R-C-CH₂
R
R-C-C-H
0.9
1.3
1.4
1.7
2.1
2.3
2.4
3.3
4.7
2
(doublet)
3
5.3
CI-C-H
RNH₂
2
(quartet)
ROH
ArOH
&-OH
"The values are approximate because they are affected by neighboring substituents.
2
1
(multiplet)
6.5-8
Approximate chemical shift (ppm)
9.0-10
2.5-4
3
(doublet)
2.5-4
4-45
variable, 1.5-4
variable, 2-5
variable, 4-7
6 (doublet)
variable, 10-12

Transcribed Image Text:O
ОН
онот
онто
ОН
ОН
онла
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