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24

Spectroscopy Problems

Copyright © 2017 Pearson Education, Inc.

44.

Identify the compound with molecular formula

C

7

H

8

O

2

that gives the following IR and

1

H NMR

spectra.

1600

1800

4000 3800 3600 3400 3200 3000 2800 2600 2400 2200 2000

1400 1200 1000

800

600

450

100

90

80

70

60

50

40

30

20

10

0

0.0

0.05

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

2.0

A

B

S

O

R

B

A

N

C

E

%

T

R

A

N

S

M

I

T

T

A

N

C

E

9

8

7

6

5

4

3

2

1

0

2

1

2

3