Show the steps in the industrial preparation of phenol starting

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Alcohols, Phenols and Ethers

Short Answer Type

191.

Write the structure of the major product with its IUPAC name of the following reaction:

$CH subscript 3 CH subscript 2 CH subscript 2 COCH subscript 3 plus CH subscript 3 MgBr space rightwards arrow with straight H subscript 3 straight O to the power of plus on top$

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192.

Write the structure of the major product with its IUPAC name of the following reaction:

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193.

Write the structure of the major product with its IUPAC name of the following reaction:

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194. How will you prepare butan-1-ol from 1-bromobutane.

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195. How will you prepare butan-1-ol from a suitable alkene?

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196.

Show the steps in the industrial preparation of phenol starting with Cumene.

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197.
Show the steps in the industrial preparation of phenol starting with chlorobenzene.

Industrial prepartion of phenol form Chlorobenzene is also known as (Dow’s process):

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198.

How can you obtain from:
(i) Benzene sulphonic acid.
(ii) Aniline.

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199.

Explain why phenol has a much lower pKa value than ethanol.

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Long Answer Type

200. Compare the acidic strength:
(i) 2, 4-dinitrophenol and 2,4,6-trinitro phenol.
(ii) O-amino phenol and m-amino phenol.

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