The IR and 1H NMR spectra of an unknown molecular formula C8H15NO2 are shown below. The following questions will guide you in determining its structure.1.Determine the degree of unsaturation. Show your calculation.2.Analyze three significant bands in the IR spectra and conclude on the existing functions.3.Analyze the 1H NMR chart belowDraw the final structure of the unknown Signal 8 (ppm)ABCDEF1.952.302.624.265.566.11Intégra Multi--tion plicité3H6H2H2H1H1HSSttddCommentaires 2.5 2.6 2.7 2.8 2.9 310090807060504030201004000RANSMITTANCE73800 3600 3400 3200 3000 2800 2600 2400 2200F3.564.5D5520005.51800MICRONS61600WAVENUMBERSD4140081200C39101000B11A212800131415116NICOLET 20SX FT-IR17 18 19 21 220.0600ACCORDANCE050.10.20.30.40.50.60.70.91.02.04500

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Answered: The IR and 1H NMR spectra of an unknown…

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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The IR and 1H NMR spectra of an unknown molecular formula C8H15NO2 are shown below. The following questions will guide you in determining its structure.

1.Determine the degree of unsaturation. Show your calculation.
2.Analyze three significant bands in the IR spectra and conclude on the existing functions.
3.Analyze the 1H NMR chart below

Draw the final structure of the unknown

Signal 8 (ppm)
A
B
C
D
E
F
1.95
2.30
2.62
4.26
5.56
6.11
Intégra Multi-
-tion plicité
3H
6H
2H
2H
1H
1H
S
S
t
t
d
d
Commentaires

2.5 2.6 2.7 2.8 2.9 3
100
90
80
70
60
50
40
30
20
10
0
4000
RANSMITTANCE
7
3800 3600 3400 3200 3000 2800 2600 2400 2200
F
3.5
6
4.5
D
5
5
2000
5.5
1800
MICRONS
6
1600
WAVENUMBERS
D
4
1400
8
1200
C
3
9
10
1000
B
11
A
2
12
800
13
14
15
1
16
NICOLET 20SX FT-IR
17 18 19 21 22
0.0
600
ACCORDANCE
05
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.9
1.0
2.0
450
0

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