Question

how benzene reacts with halo alkane and alkanoyl Hallide in presens of Lewis acid​

Answer 1

Answer -

An alkyl group can be added to a benzene molecule by an electrophile aromatic substitution reaction called the Friedel‐Crafts alkylation reaction. The carbocation then reacts with the π electron system of the benzene to form a nonaromatic carbocation that loses a proton to reestablish the aromaticity of the system.

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Answer 2

Answer:

In 1877, Friedel and Crafts discovered that a haloalkane reacts with benzene in the presence of an aluminium halide. The resulting products are the alkylbenzene and hydrogen halide. This reaction, which can be carried out in the presence of other Lewis Acid catalysts, is called the Friedel-Crafts alkylation of benzene.