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Chapter 14 481
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c.
In the
1
H
NMR spectrum of the compound shown below, the lowest frequency signal
(the one farthest upfield) is a singlet and the highest frequency signal (the one farthest
downfield) is a doublet.
T F
O
2
N
CH
3
d.
The greater the frequency of the signal, the greater its chemical shift in ppm.
T F
5.
For each compound:
a.
Indicate the number of signals you would expect to see in its
1
H
NMR spectrum.
b.
Indicate the hydrogen or set of hydrogens that will give the highest frequency signal.
c.
Indicate the multiplicity of that signal.
CH
3
CH
2
CH
2
Cl
CH
3
CH
2
COCH
3
CH
3
CHCH
3
Br
1.
3.
2.
O
6.
For each compound in Problem 5:
a.
Indicate the number of signals you would expect to see in its
13
C
NMR spectrum.
b.
Indicate the carbon that would give the highest frequency signal.
c.
Indicate the multiplicity of that signal in a proton-coupled
13
C
NMR spectrum.