280 8 8.055 8.051 8 1.90 270 6.975 6.945 7 ] 1.98 6 5 T T -3.895 4 T68 E 3.00 INDEX 1 2 3 4 5 6 7 8 3 FREQUENCY PPM 2424.2 2416.0 2414.9 2180.7 2092.1 2083.3 1168.3 1167.2 2 8.082 8.055 8.051 7.270 6.975 6.945 3.895 3.891 HEIGHT 8.7 9.5 9.6 104.4 10.4 9.3 1 37.4 42.4

Appl Of Ms Excel In Analytical Chemistry
2nd Edition
ISBN:9781285686691
Author:Crouch
Publisher:Crouch
Chapter2: Basic Statistical Analysis With Excel
Section: Chapter Questions
Problem 12P
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Question

Is this HNMR spectrum for 3-methoxybenzoic acid, 4 methoxybenzoic acid or 4 methylbenzoic acid? Please explain why and explain peaks, shifts, etc. 

Z80 8
8.055
TSO 8-
8
1.90
7.270
-6.975
6.945
7
1.98
6
5
-3.895
4
3.891
3.00
INDEX
1
2
3
4
5
6
7
8
3
FREQUENCY PPM
2424.2
2416.0
2414.9
2180.7
2092.1
2083.3
1168.3
1167.2
2
8.082
8.055
8.051
7.270
6.975
6.945
3.895
3.891
HEIGHT
8.7
9.5
9.6
104.4
10.4
9.3
37.4
42.4
1
Transcribed Image Text:Z80 8 8.055 TSO 8- 8 1.90 7.270 -6.975 6.945 7 1.98 6 5 -3.895 4 3.891 3.00 INDEX 1 2 3 4 5 6 7 8 3 FREQUENCY PPM 2424.2 2416.0 2414.9 2180.7 2092.1 2083.3 1168.3 1167.2 2 8.082 8.055 8.051 7.270 6.975 6.945 3.895 3.891 HEIGHT 8.7 9.5 9.6 104.4 10.4 9.3 37.4 42.4 1
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