What is the expected product when phenol is treated with bromine water?

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Question: What is the expected product when phenol is treated with bromine water?

Options:

Correct Answer: 2,4,6-Tribromophenol

Solution:

The expected product is 2,4,6-tribromophenol, as phenol is highly reactive towards electrophilic substitution due to the hydroxyl group.

What is the expected product when phenol is treated with bromine water?

What is the expected product when phenol is treated with bromine water?

Step 1: Start with phenol, which is a benzene ring with a hydroxyl (OH) group attached.
Step 2: Understand that bromine water contains bromine (Br2) dissolved in water.
Step 3: Recognize that the hydroxyl group (OH) on phenol makes it more reactive towards electrophiles like bromine.
Step 4: When phenol is mixed with bromine water, the bromine acts as an electrophile and attacks the benzene ring.
Step 5: The bromine can substitute hydrogen atoms on the benzene ring at positions 2, 4, and 6 due to the activating effect of the hydroxyl group.
Step 6: The final product formed is 2,4,6-tribromophenol, which has three bromine atoms attached to the benzene ring.

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