PRIN.OF GENERAL,ORGANIC+BIOLOG.CHEM.
2nd Edition
ISBN: 9781266811852
Author: SMITH
Publisher: MCG
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Chapter 9, Problem 9.50AP
Interpretation Introduction
Interpretation:
The technique by which the half-life of carbon-14 used to estimate the age of object has to be explained.
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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 9 Solutions
PRIN.OF GENERAL,ORGANIC+BIOLOG.CHEM.
Ch. 9.1 - Prob. 9.1PCh. 9.1 - What is the difference between an particle and a...Ch. 9.1 - Prob. 9.3PCh. 9.1 - Identify Q in each of the following symbols. a....Ch. 9.2 - Prob. 9.5PCh. 9.2 - Prob. 9.6PCh. 9.2 - Prob. 9.7PCh. 9.2 - Prob. 9.8PCh. 9.2 - Prob. 9.9PCh. 9.2 - Prob. 9.10P
Ch. 9.2 - Prob. 9.11PCh. 9.3 - Prob. 9.13PCh. 9.3 - Prob. 9.14PCh. 9.3 - Prob. 9.15PCh. 9.3 - Prob. 9.16PCh. 9.4 - Prob. 9.17PCh. 9.4 - Prob. 9.18PCh. 9.5 - Prob. 9.19PCh. 9.5 - Prob. 9.20PCh. 9.6 - Prob. 9.21PCh. 9.6 - Prob. 9.22PCh. 9 - Compare fluorine-18 and fluorine-19 with regard to...Ch. 9 - Prob. 9.24UKCCh. 9 - Prob. 9.29UKCCh. 9 - Prob. 9.30UKCCh. 9 - Prob. 9.31APCh. 9 - Prob. 9.32APCh. 9 - Prob. 9.33APCh. 9 - Prob. 9.35APCh. 9 - Prob. 9.36APCh. 9 - Prob. 9.37APCh. 9 - Prob. 9.38APCh. 9 - Prob. 9.39APCh. 9 - Prob. 9.40APCh. 9 - Prob. 9.41APCh. 9 - Prob. 9.42APCh. 9 - Prob. 9.43APCh. 9 - Prob. 9.44APCh. 9 - Prob. 9.45APCh. 9 - Prob. 9.46APCh. 9 - Prob. 9.47APCh. 9 - Prob. 9.48APCh. 9 - Prob. 9.49APCh. 9 - Prob. 9.50APCh. 9 - Prob. 9.51APCh. 9 - Prob. 9.52APCh. 9 - Prob. 9.53APCh. 9 - Prob. 9.54APCh. 9 - Prob. 9.55APCh. 9 - Prob. 9.56APCh. 9 - Prob. 9.57APCh. 9 - Prob. 9.58APCh. 9 - Prob. 9.59APCh. 9 - Prob. 9.60APCh. 9 - Prob. 9.61APCh. 9 - Prob. 9.62APCh. 9 - Prob. 9.63APCh. 9 - Prob. 9.64APCh. 9 - Prob. 9.67APCh. 9 - Prob. 9.68APCh. 9 - Prob. 9.69APCh. 9 - Prob. 9.70APCh. 9 - Prob. 9.71APCh. 9 - Prob. 9.72APCh. 9 - Prob. 9.73APCh. 9 - Prob. 9.74APCh. 9 - Prob. 9.75APCh. 9 - Prob. 9.76APCh. 9 - Prob. 9.77APCh. 9 - Prob. 9.78APCh. 9 - Prob. 9.79APCh. 9 - Prob. 9.80APCh. 9 - Prob. 9.81APCh. 9 - Prob. 9.82APCh. 9 - Prob. 9.83APCh. 9 - Prob. 9.84APCh. 9 - Prob. 9.85APCh. 9 - Prob. 9.86APCh. 9 - Prob. 9.87CPCh. 9 - Prob. 9.88CP
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