kindly write a brief description of where each fragment peak originated from the parent ion. example: Formation of m/z 79 ion: [CH3CH2Br]+ ===> [79Br]^+ + CH2CH3. ( or a diagram of each bond breaking / forming could also work )
kindly write a brief description of where each fragment peak originated from the parent ion. example: Formation of m/z 79 ion: [CH3CH2Br]+ ===> [79Br]^+ + CH2CH3. ( or a diagram of each bond breaking / forming could also work )
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter17: Applications Of Infrared Spectrometry
Section: Chapter Questions
Problem 17.6QAP
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Question
kindly write a brief description of where each fragment peak originated from the parent ion. example: Formation of m/z 79 ion:
[CH3CH2Br]+ ===> [79Br]^+ + CH2CH3. ( or a diagram of each bond breaking / forming could also work )
![Parent ion is [CH3CH2B1]*•
Rel. Intensity
Proposed Fragment
[CH2]**
[CH3]*
[CHC]*.
[CHCH]*.
[CHCH2]*
14
3.9
15
3.6
25
26
9.6
43
27
94
29
[CH2CH2]*
[CH3CH2]*
[Br79]*.
[Br8]+.
28
29
100
Base peak
79
8.4
81
8.2
isotopic peak
[CH2B179]*.
[CH2Br81]*.
[CH3CH2B179]**
[CH3CH2B1®1]*.
93
95
4.3
3.6
isotopic peak
Parent ion peak (or) Molecular ion peak
M+2 isotopic peak
108
60.4
110
59.1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd249dfc9-61b5-4487-bf6f-c6879951847e%2F7b8d2a3c-ae8f-4c73-84b6-382409e79626%2F72u6h59_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Parent ion is [CH3CH2B1]*•
Rel. Intensity
Proposed Fragment
[CH2]**
[CH3]*
[CHC]*.
[CHCH]*.
[CHCH2]*
14
3.9
15
3.6
25
26
9.6
43
27
94
29
[CH2CH2]*
[CH3CH2]*
[Br79]*.
[Br8]+.
28
29
100
Base peak
79
8.4
81
8.2
isotopic peak
[CH2B179]*.
[CH2Br81]*.
[CH3CH2B179]**
[CH3CH2B1®1]*.
93
95
4.3
3.6
isotopic peak
Parent ion peak (or) Molecular ion peak
M+2 isotopic peak
108
60.4
110
59.1
Transcribed Image Text:Mass Spectrum – Unknown
29
100
27
10& 10
60
40
20
25
7981
134
16
9395
992,
31
54
884
10
20
30
40
50
60
70
80
90
100
110
m/z
Relative Intensity
80
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