49 2.32 4.776 Apr04-2024-nmrsu 2 fid -4.769 4.763 4.508 (4.501 -4.495 A (t) 4.77 B (t) 4.50 C|(s) 4.20 48 4.7 4.6 -9 2.47 4.4 43 4.63 4.1 -= 4203 На Hb Hd Hd Ha Hb Fe Hd Hc IIIII Hc Hc Hc Hc 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 -g 11(ppm) 2.8 2.7 -2 26 -2 25 2.4 2.3 -3 -2.396 -23000 -22000 -21000 -20000 -19000 18000 -17000 -16000 -15000 -14000 -13000 -12000 D (s) 11000 2.40 10000 2.2 2.1 -2 -9000 -8000 -7000 -6000 5000 4000 -3000 -2000 -1000 -0 -1000 -2000

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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Question

Based on this HNMR of Acetylferrocene, explain why the hydrogens labeled are equivalent, why the splitting pattern appears the way it does on the HNMR, and why the chemical shift of each signal appears in that order?

49
2.32
4.776
Apr04-2024-nmrsu 2 fid
-4.769
4.763
4.508
(4.501
-4.495
A (t)
4.77
B (t)
4.50
C|(s)
4.20
48
4.7
4.6
-9
2.47
4.4
43
4.63
4.1
-=
4203
На
Hb
Hd
Hd
Ha
Hb
Fe
Hd
Hc
IIIII
Hc
Hc
Hc
Hc
4.0
3.9
3.8 3.7
3.6
3.5 3.4
3.3
3.2
3.1
3.0
2.9
-g
11(ppm)
2.8
2.7
-2
26
-2
25
2.4 2.3
-3
-2.396
-23000
-22000
-21000
-20000
-19000
18000
-17000
-16000
-15000
-14000
-13000
-12000
D (s)
11000
2.40
10000
2.2
2.1
-2
-9000
-8000
-7000
-6000
5000
4000
-3000
-2000
-1000
-0
-1000
-2000
Transcribed Image Text:49 2.32 4.776 Apr04-2024-nmrsu 2 fid -4.769 4.763 4.508 (4.501 -4.495 A (t) 4.77 B (t) 4.50 C|(s) 4.20 48 4.7 4.6 -9 2.47 4.4 43 4.63 4.1 -= 4203 На Hb Hd Hd Ha Hb Fe Hd Hc IIIII Hc Hc Hc Hc 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 -g 11(ppm) 2.8 2.7 -2 26 -2 25 2.4 2.3 -3 -2.396 -23000 -22000 -21000 -20000 -19000 18000 -17000 -16000 -15000 -14000 -13000 -12000 D (s) 11000 2.40 10000 2.2 2.1 -2 -9000 -8000 -7000 -6000 5000 4000 -3000 -2000 -1000 -0 -1000 -2000
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