Which one of the following represents the major product of the reaction of benzene with 2, 2-dimethylpropyl chloride in presence of anhydrous aluminum chloride?

2, 2-dimethylpropylbenzene

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1, 1-Dimethylpropylbenzene

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1, 2-diethylpropylbenzene

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1, 2-dimethyl-1-propylbenzene

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Solution

The correct option is A 1, 1-Dimethylpropylbenzene
1, 1-dimethylpropylbenzene represents the major product of the reaction of benzene with 2, 2-dimethylpropyl chloride in presence of anhydrous aluminium chloride.
It is an example of Friedel-Craft's alkylation reaction. It is electrophilic aromatic substitution reaction. In this reaction, a primary carbocation intermediate is formed that rearranges to more stable tertiary carbocation.

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