Organic Chemistry, Ebook And Single-course Homework Access
6th Edition
ISBN: 9781319085841
Author: LOUDON
Publisher: MAC HIGHER
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Question
Chapter 12, Problem 12.8P
Interpretation Introduction
Interpretation:
The decreasing order of stretching frequencies of the bonds
Concept introduction:
IR spectrum is observed due to vibration accompanied in a molecule. The molecule possessing IR spectrum undergoes a change in its dipole moment for a particular mode of vibration. The frequency of vibration of a bond is inversely proportional to the mass of the element in the bond.
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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
Part IV. C6H5 CH2CH2OH is an aromatic compound which was subjected to Electron Ionization - mass
spectrometry (El-MS) analysis. Prominent m/2 values: m/2 = 104 and m/2 = 9) was obtained.
Draw the structures of these fragments.
For each reaction shown below follow the curved arrows to complete each equationby showing the structure of the products. Identify the acid, the base, the conjugated acid andconjugated base. Consutl the pKa table and choose the direciton theequilibrium goes. However show the curved arrows. Please explain if possible.
Chapter 12 Solutions
Organic Chemistry, Ebook And Single-course Homework Access
Ch. 12 - Prob. 12.1PCh. 12 - Prob. 12.2PCh. 12 - Prob. 12.3PCh. 12 - Prob. 12.4PCh. 12 - Prob. 12.5PCh. 12 - Prob. 12.6PCh. 12 - Prob. 12.7PCh. 12 - Prob. 12.8PCh. 12 - Prob. 12.9PCh. 12 - Prob. 12.10P
Ch. 12 - Prob. 12.11PCh. 12 - Prob. 12.12PCh. 12 - Prob. 12.13PCh. 12 - Prob. 12.14PCh. 12 - Prob. 12.15PCh. 12 - Prob. 12.16PCh. 12 - Prob. 12.17PCh. 12 - Prob. 12.18PCh. 12 - Prob. 12.19PCh. 12 - Prob. 12.20PCh. 12 - Prob. 12.21PCh. 12 - Prob. 12.22PCh. 12 - Prob. 12.23APCh. 12 - Prob. 12.24APCh. 12 - Prob. 12.25APCh. 12 - Prob. 12.26APCh. 12 - Prob. 12.27APCh. 12 - Prob. 12.28APCh. 12 - Prob. 12.29APCh. 12 - Prob. 12.30APCh. 12 - Prob. 12.31APCh. 12 - Prob. 12.32APCh. 12 - Prob. 12.33APCh. 12 - Prob. 12.34APCh. 12 - Prob. 12.35APCh. 12 - Prob. 12.36APCh. 12 - Prob. 12.37APCh. 12 - Prob. 12.38APCh. 12 - Prob. 12.39APCh. 12 - Prob. 12.40APCh. 12 - Prob. 12.41APCh. 12 - Prob. 12.42APCh. 12 - Prob. 12.43APCh. 12 - Prob. 12.44AP
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