Refer to the mass spectrum of 2-methylbutane shown below to answer the following questions. a. What peak represents M*? 100 80- Relative Intensity 00 40 60- 20 0- 10 10 MS-14-3448 20 30 40 50 60 70 80 90 100 110 120 m/z b. What peak represents the base peak? c. Propose structures for fragment ions at m/z = 57, 43, and 29.
Refer to the mass spectrum of 2-methylbutane shown below to answer the following questions. a. What peak represents M*? 100 80- Relative Intensity 00 40 60- 20 0- 10 10 MS-14-3448 20 30 40 50 60 70 80 90 100 110 120 m/z b. What peak represents the base peak? c. Propose structures for fragment ions at m/z = 57, 43, and 29.
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL2: Mass Spectrometry
Section: Chapter Questions
Problem 3E
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Transcribed Image Text:Refer to the mass spectrum of 2-methylbutane shown below to answer the following
questions.
a.
What peak represents M*?
100
80-
Relative Intensity
00
40
60-
20
0-
10
10
MS-14-3448
20
30
40
50
60
70
80
90
100
110
120
m/z
b. What peak represents the base peak?
c. Propose structures for fragment ions at m/z = 57, 43, and 29.
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