In the presence of sulfuric acid, what is the product of the electrophilic substitution of benzene with sulfur trioxide?

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Q: In the presence of sulfuric acid, what is the product of the electrophilic substitution of benzene with sulfur trioxide?

Solution: The product is benzene sulfonic acid, formed by the electrophilic substitution of sulfur trioxide on benzene.

Steps: 6

Step 1: Understand that benzene is a type of hydrocarbon with a ring structure.
Step 2: Know that electrophilic substitution is a reaction where an electrophile replaces a hydrogen atom in benzene.
Step 3: Recognize that sulfur trioxide (SO3) acts as the electrophile in this reaction.
Step 4: Realize that sulfuric acid (H2SO4) helps generate the electrophile (SO3) and facilitates the reaction.
Step 5: When sulfur trioxide reacts with benzene, it substitutes one hydrogen atom on the benzene ring.
Step 6: The product formed from this substitution is called benzene sulfonic acid (C6H5SO3H).