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Magazine Chapter 20: Q16E (page 1140)
Write structures for the three isomers of the aromatic hydrocarbon xylene,\({C_6}{H_4}{\left( {C{H_3}} \right)_2}\)
Short Answer
The following structures are the structures of the three xylene isomers.
1,2鈥揹颈尘别迟丑测濒产别苍锄别苍别
o-xylene)
1,2鈥揹颈尘别迟丑测濒产别苍锄别苍别
m-xylene)
1,4鈥揹颈尘别迟丑测濒产别苍锄别苍别
p-xylene)
Step by step solution
Step 1:Determine the structure for the xylene
Aromatic hydrocarbons arethose hydrocarbons that have one or more benzene rings in it.
Isomers are molecules with the same chemical formula but distinct atom configurations in space.
Step 2:Structure for the ortho-, meta-, and para-xylene
Xylene \({{\rm{C}}_6}{{\rm{H}}_4}{\left( {{\rm{C}}{{\rm{H}}_3}} \right)_2}\) is an aromatic hydrocarbon with a benzene ring, in which two hydrogen atoms are replaced by two \( - {\rm{C}}{{\rm{H}}_3}\) groups. The position of the\( - {\rm{C}}{{\rm{H}}_3}\) substituents on the benzene ring distinguishes three isomers of xylene, which are designated ortho- (O-), meta- (m-), and para- (p-). The following structures are the structures of the three xylene isomers.
1 ,2 -dimethylbenzene \((o - \)xylene)
1,2 -dimethylbenzene \((m - \)xylene)
1,4 -dimethylbenzene \((p - \)xylene)
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