A) Identify the molecular ion peak and the base peak. m/z of molecular ion peak m/z of base peak B) Draw an arrow-pushing mechanism that produces the fragment with m/z = 183. Draw an arrow-pushing mechanism for the fragmentation resulting in the peak at m/z = 43. Why do some signals appear in M, M+2 pairs while others do not?
A) Identify the molecular ion peak and the base peak. m/z of molecular ion peak m/z of base peak B) Draw an arrow-pushing mechanism that produces the fragment with m/z = 183. Draw an arrow-pushing mechanism for the fragmentation resulting in the peak at m/z = 43. Why do some signals appear in M, M+2 pairs while others do not?
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:The mass spectrum of 4-bromoacetophenone is shown below.
Relative Intensity
อ
120
O
Po
Br
43
100
80
60
40
20
15
134 18 29074
20
43
40
50
50
474458 183
60
75 76
786
80
24
98 10021067
100
1139
120
143
140
155 157
1557
160
16371
183 185
18385
Why do some signals appear in M, M+2 pairs while others do not?
180
198 200
A) Identify the molecular ion peak and the base peak.
m/z of molecular ion peak
m/z of base peak
B) Draw an arrow-pushing mechanism that produces the fragment with m/z = 183.
19:00
200
Draw an arrow-pushing mechanism for the fragmentation resulting in the peak at
m/z = 43.
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