Q11 of 110 Page 344

Write the mechanism of hydration of ethene to yield ethanol.

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

Step 2:-Nucleophilic attack of water on carbocation.

Step 3:- Deprotonation to form ethanol.

Give the equations of reactions for the preparation of phenol from cumene.

Write chemical reaction for the preparation of phenol from chlorobenzene.

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

Show how will you synthesise:

1-phenylethanol from a suitable alkene.