Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question

The following figures are the IR spectra of o-, m-, and p-xylene. Which is which?Answer: (a)= , (b)= , (c)=

a
b
C
T%25
100
80
60
40
20
T%25
100
80
60
40
20
T%2.5
1C0
80
60
3
40
20
3
4
0
Summed
4000 3600 3200 2800 2400 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700cm³
3
4
5
Answer: (a), (b)=, (c)=
1615-
6
5
1593
⁹F61
1891
7
7
1380
---> ଅsti
0881
8
7
8
1217
0
4000 3600 3200 2800 2400 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700cm
9
m
8
1170
1095
n
1222
9
1121
OPOT
10 11 12 13 14 1516
1121
10 11 12 13 14 15 16
T
LT
9 10
1055-
986
11 12 13 14 1516
0
4000 3600 3200 2800 2400 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700cm¹
expand button
Transcribed Image Text:a b C T%25 100 80 60 40 20 T%25 100 80 60 40 20 T%2.5 1C0 80 60 3 40 20 3 4 0 Summed 4000 3600 3200 2800 2400 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700cm³ 3 4 5 Answer: (a), (b)=, (c)= 1615- 6 5 1593 ⁹F61 1891 7 7 1380 ---> ଅsti 0881 8 7 8 1217 0 4000 3600 3200 2800 2400 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700cm 9 m 8 1170 1095 n 1222 9 1121 OPOT 10 11 12 13 14 1516 1121 10 11 12 13 14 15 16 T LT 9 10 1055- 986 11 12 13 14 1516 0 4000 3600 3200 2800 2400 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700cm¹
Expert Solution
Check Mark
Step 1

The three structural isomers of xylenes are

Ortho-xylene : It has two methyl groups on adjacent carbons.

Meta-xylene : It has two methyl groups separated by one carbon.

Para-xylene: It  the two methyl substituents are seperated by two carbons 

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