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Magazine Chapter 15: Q21P (page 477)
Draw and name all possible aromatic compounds with the formula C7H7Cl.
Short Answer
Answer
(I)
Chloromethyl benzene
(II)
o-chlorotoluene.
(III)
m-chlorotoluene
(IV)
p-chlorotoluene.
Step by step solution
Step-by-Step SolutionStep 1: Isomers
Isomers have the same molecular formula but differ in the connectivity of atoms in the molecule. There are four possible isomers with the molecular formula C7H7Cl.
Possible aromatic compounds
For the given formula, the parent compound should be benzene with one methylene group. Disubstituted benzene rings are named using the prefixes ortho (o), meta (m), and para (p). Thus, the names of the isomers with the molecular formulaC7H7Cl are as follows:
In this structure (I), the name of the parent ring is benzene and the substituent is -CH2Cl .So, the name of the compound is chloromethyl benzene.
(I)
Chloromethyl benzene
(II)
In this structure, the name of the parent ring is toluene and the substituent is -Cl which is placed at the ortho position. So, the name of the compound is o-chlorotoluene.
o-chlorotoluene.
(III)
In the given structure, the name of the parent ring is toluene and the substitute is -Cl group, which is placed at meta position So, the name of the compound is m-chlorotoluene.
m-chlorotoluene
(IV)
In the given structure, the name of the parent ring is toluene and the substituent is -Cl group, which is placed at the para position. So, the name of the compound is p-chlorotoluene.
p-chlorotoulene.
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