Organic Chemistry, Third Edition Binder Ready Version
3rd Edition
ISBN: 9781119110453
Author: Klein
Publisher: WILEY
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Chapter 12, Problem 74IP
Interpretation Introduction
Interpretation:
The structure of the compound should be identified from given molecular formula.
Concept introduction:
Nuclear Magnetic Resonance (NMR) spectroscopy is a technique used for determining molecular structure of the organic molecule as well the content and purity of the molecule.
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Students have asked these similar questions
Part VII. The H-NMR of a compound with molecular formula C5 H 10 O2 is given below.
Find the following:
(a) The no. of protons corresponding to each signal in the spectra
(6) Give the structure of the compound and assign the signals to each
proton in the compound.
a
70.2
Integration Values
C5H10O2
b
47.7
C
46.5
d
69.5
3.6 3.5
3.4 3.3 3.2 3.1 3.0
2.9 2.8
2.7
2.6 2.5
2.4 2.3 2.2 2.1 2.0
Chemical Shift (ppm)
1.9
1.8
1.7 1.6
1.5
1.4 1.3 1.2
1.1 1.0
0.9 0.8
Part 111. 1 H-NMR spectrum of a compound with integration values in red is given below.
Answer the following:
(a) write the signals in the 'H-NMR spectrum to the corresponding protons on the structure
of the molecule below.
(b) Identify the theoretical multiplicities for each proton in the compound. Also give the possible.
complex splitting patterns assuming J values are not similar.
там
Br
22
2
3
6
4 7.2 7.0 6.8 6.6 6.4 6.2 6.0 5.8 5.6 5.4 5.2 5.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0
Chemical Shift (ppm)
ra.
Br
2
3
6
6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
Chemical Shift (ppm)
2
2
Br
7.3
7.2
7.1
7.0 6.9
6.7 6.6 6.5
6.4
6.3
6.2
6.1
6.0
Chemical Shift (ppm)
5.9
5.8 5.7
5.5 5.4 5.3 5.2
5.0 4.9
1600°
1538°C
1493°C
In the diagram, the letter L indicates
that it is a liquid. Indicate its
components in the upper region
where only L is indicated.
The
iron-iron carbide phase
diagram.
Temperature (°C)
1400
8
1394°C
y+L
1200
2.14
y, Austenite
10000
912°C
800a
0.76
0.022
600
400
(Fe)
a, Ferrite
Composition (at% C)
15
1147°C
a + Fe3C
2
3
Composition (wt% C)
L
2500
4.30
2000
y + Fe3C
727°C
1500
Cementite (Fe3C)
1000
4
5
6
6.70
Temperature (°F)
Chapter 12 Solutions
Organic Chemistry, Third Edition Binder Ready Version
Ch. 12.1 - Prob. 1LTSCh. 12.1 - PRACTICE the skill
Provide an IUPAC name for each...Ch. 12.1 - Safer alternatives to existing insecticides and...Ch. 12.1 - Prob. 3CCCh. 12.2 - Prob. 4CCCh. 12.2 - Prob. 2LTSCh. 12.2 - Prob. 5PTSCh. 12.2 - Flavonoids are a class of naturally occurring...Ch. 12.3 - Prob. 7CCCh. 12.3 - Prob. 8CC
Ch. 12.4 - Prob. 3LTSCh. 12.4 - Prob. 9PTSCh. 12.4 - Prob. 10ATSCh. 12.4 - Prob. 4LTSCh. 12.4 - Prob. 11PTSCh. 12.4 - Prob. 12ATSCh. 12.6 - Prob. 5LTSCh. 12.6 - Prob. 13PTSCh. 12.6 - Prob. 14PTSCh. 12.7 - Prob. 16CCCh. 12.9 - Prob. 6LTSCh. 12.9 - Prob. 17PTSCh. 12.9 - Prob. 18ATSCh. 12.9 - Prob. 19CCCh. 12.10 - Prob. 7LTSCh. 12.10 - PRACTICE the skill
Predict the major organic...Ch. 12.10 - Prob. 21ATSCh. 12.13 - Prob. 8LTSCh. 12.13 - Prob. 22PTSCh. 12.13 - Prob. 23ATSCh. 12.13 - Prob. 24CCCh. 12.13 - Prob. 9LTSCh. 12.13 - Prob. 25PTSCh. 12.13 - Prob. 26ATSCh. 12 - Prob. 27PPCh. 12 - Prob. 28PPCh. 12 - Prob. 29PPCh. 12 - Prob. 30PPCh. 12 - Prob. 31PPCh. 12 - Predict the major product of the reaction between...Ch. 12 - Prob. 33PPCh. 12 - Prob. 34PPCh. 12 - Using a Grignard reaction, show how you could...Ch. 12 - Each of the following alcohols can be prepared via...Ch. 12 - Prob. 37PPCh. 12 - Prob. 38PPCh. 12 - Prob. 39PPCh. 12 - Prob. 40PPCh. 12 - Prob. 41PPCh. 12 - Prob. 42PPCh. 12 - Prob. 43PPCh. 12 - Prob. 44PPCh. 12 - Prob. 45PPCh. 12 - Prob. 46PPCh. 12 - Prob. 47PPCh. 12 - Prob. 48PPCh. 12 - Prob. 49PPCh. 12 - Prob. 50PPCh. 12 - Prob. 51IPCh. 12 - Prob. 52IPCh. 12 - Prob. 53IPCh. 12 - Prob. 54IPCh. 12 - Prob. 55IPCh. 12 - Prob. 56IPCh. 12 - Prob. 57IPCh. 12 - Prob. 58IPCh. 12 - Prob. 59IPCh. 12 - Prob. 60IPCh. 12 - Prob. 61IPCh. 12 - Prob. 62IPCh. 12 - Prob. 63IPCh. 12 - Prob. 64IPCh. 12 - Prob. 65IPCh. 12 - The compound duryne was one of several...Ch. 12 - Estragole is an insect repellant that has been...Ch. 12 - Prob. 68IPCh. 12 - Prob. 70IPCh. 12 - Prob. 71IPCh. 12 - Prob. 72IPCh. 12 - Prob. 73IPCh. 12 - Prob. 74IPCh. 12 - Prob. 75CPCh. 12 - Prob. 76CPCh. 12 - Prob. 77CP
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- Nonearrow_forwardPart II. Given below are the 'H-NMR spectrum at 300 MHz in CDC13 and mass spectrum using electron ionization of compound Brian. The FTIR of the said compound showed a strong peak at 1710 cm"). Determine the following: (a) molecular Formula and Degree of unsaturation of compound Brian (b) Basing on the given H-NMR spectrum tabulate the following (i) chemical shifts (ii) integration, ciii) multiplicity and (iv) interferences made for each signal (c) Draw the structure of compound Brian. ) ΕΙ 43 41 27 71 114 (M+) Hmmm 20 30 40 50 60 70 80 90 100 110 120 1H NMR spectrum 300 MHz in CDCl3 2.0 alle 1.0arrow_forwardThe iron-iron carbide phase diagram. In the diagram, the letter L indicates that it is a liquid. Indicate what its components are. Temperature (°C) 1600 10 Composition (at% C) 15 25 1538°C -1493°C 8 1400 1200 1394°C y+L L 2500 1147°C y. Austenite 2.14 4.30 2000 1000 912°C y + Fe3C 800ㅏ 0.76 0.022 600 a, Ferrite a + Fe3C 400 0 (Fe) Composition (wt% C) 727°C 1500 Cementite (Fe3C) 1000 6 6.70 Temperature (°F)arrow_forward
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