What is the product of the reaction of phenol with excess bromine?

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Question: What is the product of the reaction of phenol with excess bromine?

Options:

Correct Answer: 2,4,6-Tribromophenol

Solution:

The product is 2,4,6-tribromophenol, as phenol is highly reactive towards electrophilic substitution and can undergo multiple brominations.

What is the product of the reaction of phenol with excess bromine?

What is the product of the reaction of phenol with excess bromine?

Step 1: Understand that phenol is a compound that contains a hydroxyl group (-OH) attached to a benzene ring.
Step 2: Recognize that bromine (Br2) is an electrophile, which means it can react with electron-rich compounds like phenol.
Step 3: Know that phenol can undergo a reaction called electrophilic substitution, where bromine replaces hydrogen atoms on the benzene ring.
Step 4: Since we have excess bromine, multiple bromine atoms can attach to the phenol molecule.
Step 5: The bromination occurs primarily at the 2, 4, and 6 positions of the benzene ring due to the activating effect of the hydroxyl group.
Step 6: The final product after the reaction with excess bromine is 2,4,6-tribromophenol, which has three bromine atoms attached to the phenol.

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