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Question
The IUPAC name(s) of the above compound is(are) :
The IUPAC name(s) of the above compound is(are) :
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Solution
The correct options are
A 1-chloro-4-methylbenzene
C 4-chlorotoluene
The IUPAC names of the following compound are (A) 1-chloro-4-methylbenzene and (C) 4-chlorotoluene.
In IUPAC system the name toluene (as a derivative of benzene) is acceptable. Toluene has a chlorine substituent on fourth carbon atom of the aromatic ring.
The names 1-methyl-4-chlorobenzene and 4-methylchlorobenzene are incorrect as the ligands are not named in alphabetical order.
The name 1-methyl-4-chlorobenzene is incorrect because methyl substituent has got lowest locant whereas Cl atom should get priority over methyl substituent.
Hence, the correct options are A and C.
A 1-chloro-4-methylbenzene
C 4-chlorotoluene
The IUPAC names of the following compound are (A) 1-chloro-4-methylbenzene and (C) 4-chlorotoluene.
In IUPAC system the name toluene (as a derivative of benzene) is acceptable. Toluene has a chlorine substituent on fourth carbon atom of the aromatic ring.
The names 1-methyl-4-chlorobenzene and 4-methylchlorobenzene are incorrect as the ligands are not named in alphabetical order.
The name 1-methyl-4-chlorobenzene is incorrect because methyl substituent has got lowest locant whereas Cl atom should get priority over methyl substituent.
Hence, the correct options are A and C.
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