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Question
Write the structures and names of the compounds formed when compound ‘A’ with molecular formula, \[\ce{C7H8}\] is treated with \[\ce{Cl2}\] in the presence of \[\ce{FeCl3}\].
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Solution
The compound with molecular formula \[\ce{C7H8}\] is toluene, \[\ce{C6H5CH3}\]. Since \[\ce{^-CH3}\] group is o-, p-directing, therefore, chlorination of toluene gives o-chlorotoluene and p-chlorotoluene, in which the p-isomer predominates.
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