Phenol is obtained industrially in large quantity by the
Correct answer: C. cumene process, which also yields propanone
- A. hydration of benzene
- B. oxidation of toluene
- C. cumene process, which also yields propanone
- D. fermentation of glucose
Explanation
Benzene is alkylated with propene to give cumene, which is oxidised and then cleaved with acid into phenol and propanone, so two useful products come from one process and it dominates world production. Benzene cannot simply be hydrated, since the ring resists addition. Phenol is the starting material for resins, aspirin and polycarbonates.
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About Phenols
Phenols contain a hydroxyl group directly bonded to an aromatic ring, making them more acidic than alcohols because the phenoxide ion is resonance-stabilised. Reactions include ionisation with bases, electrophilic substitution, bromination, nitration and oxidation, with attention to the difference between phenols and aliphatic alcohols.
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