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Alcohols, Phenols and Ethers

Short Answer Type

241.

Write chemical reaction of preparation of phenol from chlorobenzene.

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Long Answer Type

242.
Write the mechanism of hydration of ethene to yield ethanol.

The mechanism of the reaction involves the following three step:

Step 1: Proptonation of ethene to form carbocation by electrophilic attack of H₃O⁺.

Step 2: Nucleophilic attack of water on carbocation.

Step 3: Deprotonation to form an ethanol.

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Short Answer Type

243. You are given benzene, conc. H₂SO₄ and NaOH. Write the equations for the preparation of phenol. Write the equations for the preparation of phenol using these reagents.

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