PHYSICAL CHEMISTRY-WEBASSIGN
11th Edition
ISBN: 9780357087411
Author: ATKINS
Publisher: CENGAGE L
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Question
Chapter 19, Problem 19D.2ST
Interpretation Introduction
Interpretation:
The given cyclic voltammogram has to be interpreted.
Concept Introduction:
Oxidation - Loss of electrons by a species and so oxidation number is increases.
Reduction – Gain of electrons by a species and so oxidaitoion number ois decreases
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Don't used hand raiting
Relative Intensity
Part VI. consider the multi-step reaction below for compounds
A, B, and C.
These compounds were subjected to mass spectrometric analysis and
the following spectra for A, B, and C was obtained.
Draw the structure of B and C and match all three compounds
to the correct spectra.
Relative Intensity
Relative Intensity
100
HS-NJ-0547
80
60
31
20
S1
84
M+
absent
10
30
40
50
60
70
80
90
100
100-
MS2016-05353CM
80-
60
40
20
135 137
S2
164 166
0-m
25
50
75
100
125
150
m/z
60
100
MS-NJ-09-43
40
20
20
80
45
S3
25
50
75
100
125
150
175
m/z
Part II. Given two isomers: 2-methylpentane (A) and 2,2-dimethyl butane (B) answer the following:
(a) match structures of isomers given their mass spectra below (spectra A and spectra B)
(b) Draw the fragments given the following prominent peaks from
each spectrum:
Spectra A m/2 =43 and 1/2-57
spectra B m/2 = 43
(c) why is 1/2=57 peak in spectrum A more intense compared
to the same peak in spectrum B.
Relative abundance
Relative abundance
100
A
50
29
29
0
10
-0
-0
100
B
50
720
30
41
43
57
71
4-0
40
50
60 70
m/z
43
57
8-0
m/z = 86
M
90 100
71
m/z = 86
M
-O
0
10 20 30
40 50
60
70
80
-88
m/z
90
100
Chapter 19 Solutions
PHYSICAL CHEMISTRY-WEBASSIGN
Ch. 19 - Prob. 19A.1STCh. 19 - Prob. 19B.1STCh. 19 - Prob. 19B.2STCh. 19 - Prob. 19D.2STCh. 19 - Prob. 19A.2DQCh. 19 - Prob. 19A.2AECh. 19 - Prob. 19A.2BECh. 19 - Prob. 19A.2PCh. 19 - Prob. 19A.4PCh. 19 - Prob. 19B.1AE
Ch. 19 - Prob. 19B.1BECh. 19 - Prob. 19B.2AECh. 19 - Prob. 19B.5AECh. 19 - Prob. 19B.5BECh. 19 - Prob. 19B.6AECh. 19 - Prob. 19B.6BECh. 19 - Prob. 19B.7AECh. 19 - Prob. 19B.7BECh. 19 - Prob. 19B.8AECh. 19 - Prob. 19B.8BECh. 19 - Prob. 19B.9AECh. 19 - Prob. 19B.9BECh. 19 - Prob. 19B.2PCh. 19 - Prob. 19B.4PCh. 19 - Prob. 19B.11PCh. 19 - Prob. 19C.1DQCh. 19 - Prob. 19C.1AECh. 19 - Prob. 19C.1BECh. 19 - Prob. 19C.1PCh. 19 - Prob. 19C.2PCh. 19 - Prob. 19C.3PCh. 19 - Prob. 19D.1DQCh. 19 - Prob. 19D.2DQCh. 19 - Prob. 19D.1AECh. 19 - Prob. 19D.1BECh. 19 - Prob. 19D.2AECh. 19 - Prob. 19D.2BECh. 19 - Prob. 19D.3AECh. 19 - Prob. 19D.3BECh. 19 - Prob. 19D.4AECh. 19 - Prob. 19D.4BECh. 19 - Prob. 19D.5BECh. 19 - Prob. 19D.6AECh. 19 - Prob. 19D.6BECh. 19 - Prob. 19D.8AECh. 19 - Prob. 19D.8BECh. 19 - Prob. 19D.2PCh. 19 - Prob. 19D.3PCh. 19 - Prob. 19D.5PCh. 19 - Prob. 19D.6PCh. 19 - Prob. 19.5IA
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