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NEETChemistryAlcohols Phenols and Ethers

How can we prepare phenol from cumene?

Options

  1. ABy dehydration of cumene using concentrated sulphuric acid.
  2. BBy reduction of cumene using hydrogen gas.
  3. CBy treating cumene with hydrochloric acid.
  4. DTo prepare phenol, cumene is first oxidized in the presence of air of cumene hydro-peroxide at 368 to 408 K. T

Correct answer

D. To prepare phenol, cumene is first oxidized in the presence of air of cumene hydro-peroxide at 368 to 408 K. T

Step-by-step solution

Correct Option is : (D) To prepare phenol, cumene is first oxidized in the presence of air of cumene hydro-peroxide at 368 to 408 K. Then, cumene hydroxide is treated with dilute acid to prepare phenol and acetone as by-products at 323 to 363 K.

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