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Question
During the preparation of phenol from benzene sulfonic acid for the preparation of sodium benzo sulfonate from benzene sulfonic acid which of the following reaction takes place:
During the preparation of phenol from benzene sulfonic acid for the preparation of sodium benzo sulfonate from benzene sulfonic acid which of the following reaction takes place:
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Solution
The correct option is C dehydration
In this process, benzene sulfonic acid is reacted with aqueous sodium hydroxide to prepare sodium benzene sulfonate in this process water molecule is removed so it is dehydration. .
The resulting salt is mixed with solid sodium hydroxide and fused at a high temperature. The product of this reaction is sodium phenoxide, which is acidified with aqueous acid to yield phenol.
Hence option B is correct,
In this process, benzene sulfonic acid is reacted with aqueous sodium hydroxide to prepare sodium benzene sulfonate in this process water molecule is removed so it is dehydration. .
The resulting salt is mixed with solid sodium hydroxide and fused at a high temperature. The product of this reaction is sodium phenoxide, which is acidified with aqueous acid to yield phenol.
Hence option B is correct,
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