5. Did you have unknown A or B? Which unknown does your NMR indicate that you isolated and how do you know (include what types of chemical shifts led you to this conclusion)? Include your worked up (MestreNova: peak pick, integrate, normalize, and reference to chloroform or DMSO) and annotated (assign the peaks) NMR to the worksheet for this question. You must do the work up yourself, any copying or using of worked up data from another student is academic misconduct. Attach your NMR to this question. 10 96'0- = 1.10 6. 00 8 Type of Proton Chemical Shift (ppm) Type of Proton Chemical Shift (ppm) R-CH3 0.9-1.2 X-CH₂R (X: Cl, Br, I) 3.1-3.8 R 1.2-1.5 R-OH variable, 1-5 R-CH2 R R-CH 1.4-1.9 R-NH2 variable, 1-5 R R 1.5-2.5 4.5-6.0 R CHR2 R H 2.0-2.6 Ar-H 6.0-8.5 R Ar-CH3 2.2-2.5 R-CEC-H 2.5-3.0 10-13 R OH (H)R-O-CH3 3.3-4.0 < 2.20 7 C 2.25 16 5 9.5-10.5 - 3.00 3 w. N-2.85) 1 ō [ppm] 3.35 1.97
5. Did you have unknown A or B? Which unknown does your NMR indicate that you isolated and how do you know (include what types of chemical shifts led you to this conclusion)? Include your worked up (MestreNova: peak pick, integrate, normalize, and reference to chloroform or DMSO) and annotated (assign the peaks) NMR to the worksheet for this question. You must do the work up yourself, any copying or using of worked up data from another student is academic misconduct. Attach your NMR to this question. 10 96'0- = 1.10 6. 00 8 Type of Proton Chemical Shift (ppm) Type of Proton Chemical Shift (ppm) R-CH3 0.9-1.2 X-CH₂R (X: Cl, Br, I) 3.1-3.8 R 1.2-1.5 R-OH variable, 1-5 R-CH2 R R-CH 1.4-1.9 R-NH2 variable, 1-5 R R 1.5-2.5 4.5-6.0 R CHR2 R H 2.0-2.6 Ar-H 6.0-8.5 R Ar-CH3 2.2-2.5 R-CEC-H 2.5-3.0 10-13 R OH (H)R-O-CH3 3.3-4.0 < 2.20 7 C 2.25 16 5 9.5-10.5 - 3.00 3 w. N-2.85) 1 ō [ppm] 3.35 1.97
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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Transcribed Image Text:5. Did you have unknown A or B? Which unknown does your NMR indicate that you isolated and how do you
know (include what types of chemical shifts led you to this conclusion)? Include your worked up
(MestreNova: peak pick, integrate, normalize, and reference to chloroform or DMSO) and annotated
(assign the peaks) NMR to the worksheet for this question. You must do the work up yourself, any copying
or using of worked up data from another student is academic misconduct. Attach your NMR to this
question.
![10
96'0-
= 1.10
6.
00
8
Type of Proton
Chemical Shift
(ppm)
Type of Proton
Chemical Shift
(ppm)
R-CH3
0.9-1.2
X-CH₂R
(X: Cl, Br, I)
3.1-3.8
R
1.2-1.5
R-OH
variable, 1-5
R-CH2
R
R-CH
1.4-1.9
R-NH2
variable, 1-5
R
R
1.5-2.5
4.5-6.0
R
CHR2
R
H
2.0-2.6
Ar-H
6.0-8.5
R
Ar-CH3
2.2-2.5
R-CEC-H
2.5-3.0
10-13
R
OH
(H)R-O-CH3
3.3-4.0
< 2.20
7
C 2.25
16
5
9.5-10.5
- 3.00
3
w.
N-2.85)
1
ō [ppm]
3.35
1.97](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd742a27a-5245-4ae7-9188-0191445010bb%2F68167d93-5b51-4e93-99ae-030736629c4d%2F68akuth_processed.png&w=3840&q=75)
Transcribed Image Text:10
96'0-
= 1.10
6.
00
8
Type of Proton
Chemical Shift
(ppm)
Type of Proton
Chemical Shift
(ppm)
R-CH3
0.9-1.2
X-CH₂R
(X: Cl, Br, I)
3.1-3.8
R
1.2-1.5
R-OH
variable, 1-5
R-CH2
R
R-CH
1.4-1.9
R-NH2
variable, 1-5
R
R
1.5-2.5
4.5-6.0
R
CHR2
R
H
2.0-2.6
Ar-H
6.0-8.5
R
Ar-CH3
2.2-2.5
R-CEC-H
2.5-3.0
10-13
R
OH
(H)R-O-CH3
3.3-4.0
< 2.20
7
C 2.25
16
5
9.5-10.5
- 3.00
3
w.
N-2.85)
1
ō [ppm]
3.35
1.97
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