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Magazine Chapter 15: Q15-1P (page 455)
Tell whether the following compounds are ortho-, meta-, or para-disubstituted:
Short Answer
The name of the compounds are stated below
- meta-chloro toluene
- para-nitro chloro benzene
- ortho sulphonyl phenol
Step by step solution
Determination of ortho-, meta-, Para position
The position of substituents can be described with respect to the X group can be termed as ortho, meta, para according to the attachment of a functional group.
Name of given benzene substitution compound for part (a)
As we can see in the benzene ring two substituents are attached one is chlorine
(Cl) and another one is the methyl group (CH3).
The Position of Chlorine with respect to methyl group is meta.
Hence the name of the compound is meta-chloro toluene.
Name of given benzene substitution compound for part (b)
In the benzene ring, two substituents are attached first one is bromine (Br) and the second one is a nitro group (NO2).
The Position of bromine with respect to a nitro group is para.
Hence the name of the compound is para-nitro Chlorobenzene
Name of given benzene substitution compound for part (c)
As we can see in the benzene ring two substituents are attached one is a hydroxyl group (OH) and another one is the sulphonyl group (SO3H).
The Position of the sulphonyl group with respect to the hydroxyl group is ortho.
Hence, the name of the compound is Ortho sulphonyl phenol.
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