Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter1: Matter, Energy, And Measurement
Section: Chapter Questions
Problem 1.12P: 1-12 The life expectancy of a citizen in the United States is 76 years. Eighty years ago it was 56...
Related questions
Question
this is mass spectrum.
a. Methylcyclohexane
b. 2-Methyl-pentene
c. 2-methtl-2-hexanol
d. ethyl isobutyl ether
which is each proper structure?
what is each peak mean ?
How molecular ion to transfer eacg fragment?
Transcribed Image Text:저운 토막 이온 피크는 분자 이온으
시료의 분자량을 추정해야만 한다.
100
59
80-
101
20
41
15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120
질량 (m/z)
*(d) 미지 시료는 산소를 포함하고 있지만, 3000 cm" 이상에서는 중요한 적외선 흡수띠가 나타
지 않는다.
59
100-
80-
잉 60-
40-
M(102)
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
100
105
95
m/z
상대적인 양
상대적인 양(%)
Transcribed Image Text:IR 스펙트럼은 C-H 신축과 금힘 이외에 중요한 특징이 없다.
Methulaeee
100
83
80
55
60
41
40 +
M.
(98)
20
TTTm T TTTTTT
15
20
25
30
35
40
45
50
55
60
65 70
75
80
85 90
95
100
질량 (m/z)
*(b) IR 스펙트럼에는 1650 cm'에 중간 세기의 피크가 나타난다. 또한 880 cm'에 C-H 평면의
굽힘 피크가 나타난다.
2-tuethyl- pentene
56
100-
41
80-
60-
40-
69
M(84)
20-
uplaly
70
75
80
85
90
35
40
45
50
55
60
65
15
20
25
30
m/z
상대적인 양
상대적인 양(%)
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