2) Figures 2 to 4 show the IR, 1H NMR and 13C NMR spectra of a compound with formula C3H5N 2a) Identify bands A and B in the IR spectrum 2b) Using the information from the 1H NMR spectrum, fill in the table below Peak cluster (ppm) Multiplicity Number of H in neighbouring C Proposed identification 0 1.30 2.35 2c) Propose a structure for the compound C3H5N. Justify your answer by referring to key spectral features of the 3 spectra.
2) Figures 2 to 4 show the IR, 1H NMR and 13C NMR spectra of a compound with formula C3H5N 2a) Identify bands A and B in the IR spectrum 2b) Using the information from the 1H NMR spectrum, fill in the table below Peak cluster (ppm) Multiplicity Number of H in neighbouring C Proposed identification 0 1.30 2.35 2c) Propose a structure for the compound C3H5N. Justify your answer by referring to key spectral features of the 3 spectra.
Chemistry
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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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2) Figures 2 to 4 show the IR, 1H NMR and 13C NMR spectra of a compound with formula C3H5N
2a) Identify bands A and B in the IR spectrum
2b) Using the information from the 1H NMR spectrum, fill in the table below
|
Peak cluster (ppm) |
Multiplicity |
Number of H in neighbouring C |
Proposed identification |
|
0 |
|
|
|
|
1.30 |
|
|
|
|
2.35 |
|
|
|
2c) Propose a structure for the compound C3H5N. Justify your answer by referring to key spectral features of the 3 spectra.
Transcribed Image Text:100
50
4000
3000
2500
2000
1500
1000
500
Wavenumbers / cm
-1
Figure 2. IR spectrum of C3H5N
2.6
2.4
2.2
1.8
1.6
1.2
0.8
o'6
0:4
o'2
ppm
Figure 3. 'H NMR spectrum of C,H,N recorded in CDCI,
English ( Inited Kinadom)
E Focus
Transcribed Image Text:122
121
120
119
118
117
116
12
10
ppm
Figure 4. 13C NMR spectrum of C3H,N in CDCI3. The figure shows only the sections in which peaks appear.
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