Nuclear Magnetic Resonance Spectroscopy With Answers Page 13
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CHAPTER 16
16.23.
O
OH
O
HO
O
a)
b)
c)
d)
O
OH
e)
f)
16.24.
O
O
O
O
16.25.
a) Four signals. Three appear in the region 0 – 50 ppm, and the fourth signal (the C=O)
appears in the region 150 – 220 ppm.
b) Five signals. All five appear in the region 0 – 50 ppm.
c) Six signals. Two appear in the region 0 – 50 ppm, and four signals appear in the
region 100-150 ppm.
d) Nine signals. Two appear in the region 0 – 50 ppm, one appears in the region 50 – 100
ppm and six signals appear in the region 100 – 150 ppm.
e) Seven signals. Two appear in the region 0 – 50 ppm, one appears in the region 50 –
100 ppm and four signals appear in the region 100 – 150 ppm.
f) Five signals. Three appear in the region 0 – 50 ppm and two signals appear in the
region 100 – 150 ppm.
g) Seven signals. Five appear in the region 0 – 50 ppm and two signals appear in the
region 100 – 150 ppm.
h) Two signals. One appears in the region 0 – 50 ppm and the other appears in the region
100 – 150 ppm.
i) One signal appears in the region 50 – 100.
j) Five signals. One appears in the region 0 – 50 ppm, one appears in the region 50 –
100 ppm, two appear in the region 100-150, and one signal appears in the region 150 –
200 ppm.
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