IR Spectrum (CCI4 solution) 4000 100 80 28 22 % of base peak 1744 3000 2000 1600 1200 800 V (cm³¹) 57 29 40 40 M+ = 88 Problem 4 Mass Spectrum C4H8O2 No significant UV absorption above 220 nm 80 120 160 200 240 280 m/e 13C NMR Spectrum (100.0 MHz, CDCI, solution) DEPT CH2 CH3 CH↑ proton decoupled solvent 200 160 120 80 60 40 40 0 8 (ppm) 13C NMR Spectrum (100.0 MHz, CDCl3 solution) DEPT CH2 CH3 CH proton decoupled solvent 200 160 120 80 40 0 8 (ppm) 'H NMR Spectrum (200 MHz, CDCl 3 solution) elle expansion 2.0 1.0 ppm 10 9 8 7 60 сл 5 1 4 3 2 1 TMS 0 8 (ppm) 93

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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What is the structure of the unknown? Determine it by analyzing the spectroscopic data given. thank you!

IR Spectrum
(CCI4 solution)
4000
100
80
28 22
% of base peak
1744
3000
2000
1600
1200
800
V (cm³¹)
57
29
40
40
M+ = 88
Problem 4
Mass Spectrum
C4H8O2
No significant UV
absorption above 220 nm
80
120
160
200
240
280
m/e
13C NMR Spectrum
(100.0 MHz, CDCI, solution)
DEPT CH2 CH3 CH↑
proton decoupled
solvent
200
160
120
80
60
40
40
0
8 (ppm)
Transcribed Image Text:IR Spectrum (CCI4 solution) 4000 100 80 28 22 % of base peak 1744 3000 2000 1600 1200 800 V (cm³¹) 57 29 40 40 M+ = 88 Problem 4 Mass Spectrum C4H8O2 No significant UV absorption above 220 nm 80 120 160 200 240 280 m/e 13C NMR Spectrum (100.0 MHz, CDCI, solution) DEPT CH2 CH3 CH↑ proton decoupled solvent 200 160 120 80 60 40 40 0 8 (ppm)
13C NMR Spectrum
(100.0 MHz, CDCl3 solution)
DEPT CH2 CH3 CH
proton decoupled
solvent
200
160
120
80
40
0
8 (ppm)
'H NMR Spectrum
(200 MHz, CDCl 3 solution)
elle
expansion
2.0
1.0
ppm
10
9
8
7
60
сл
5
1
4
3
2
1
TMS
0
8 (ppm)
93
Transcribed Image Text:13C NMR Spectrum (100.0 MHz, CDCl3 solution) DEPT CH2 CH3 CH proton decoupled solvent 200 160 120 80 40 0 8 (ppm) 'H NMR Spectrum (200 MHz, CDCl 3 solution) elle expansion 2.0 1.0 ppm 10 9 8 7 60 сл 5 1 4 3 2 1 TMS 0 8 (ppm) 93
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