Reaction and mechanism: Electrophilic aromatic substitution

In nitration of benzene, which of the following acts as an electrophile?

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What is the electrophile that is involved in the sulfonation of benzene?

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Name the reaction involved in the conversion of benzene to acylbenzene using acyl chloride in AlCl3.

• Chlorination

• Friedel–Crafts acylation

• Friedel–Crafts alkylation

• Bromination

Give the major product of the given reaction.

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Select the major product when benzene reacts with ethyl chloride (CH3CH2Br) in the presence of AlCl3.

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