write the name of reaction during conversion of phenol to salicylic acid

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Conversion of phenol to salicylic acid and to salicyaldehyde are known as? (respectively)

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Question

Conversion of phenol to salicylic acid and to salicyaldehyde are known as? (respectively)

A

Reimer - Tiemann reaction and Kolbe's reaction

B

Williamson's synthesis and Hydroboration-oxidation

C

Kolbe's reaction and Williamson's synthesis

D

Kolbe's reaction and Reimer - Tiemann reaction

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Updated on : 2022-09-05

Solution Verified by Toppr

Correct option is D)

Phenol on reaction with carbon dioxide in the presence of a base like NaOH gives Salicylic acid. It is Kolbe's Reaction

Phenol on reaction with chloroform in the presence of a base like NaOH gives Salicylaldehyde. It is Reimer-Tiemann reaction.

Both are shown in the figure.

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How is Phenol converted to Salicylic Acid?

How is Phenol converted to Salicylic Acid?

Byju's Answer Standard XII Chemistry How is Phenol... Question

How is Phenol converted to Salicylic Acid?

Open in App Solution

The reaction by which Phenol can be converted to Salicylic acid:

When phenol reacts with carbon dioxide in presence of a base like

NaOH

, the reaction is known as Kolbe's reaction. The end product is Salicylic acid.

The below reaction explain the formation of Salicylic acid from phenol

The detailed mechanism of the above reaction is given below:

Therefore, the above reaction and detailed mechanism shows the conversion of phenol to salicylic acid.

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SIMILAR QUESTIONS

Q. One aspirin pill contains 360 mg of aspirin. To form 10 pills of aspirin from salicylic acid and acetic anhydride, how many grams of salicylic acid is required?Q. What is the product formed when salicylic acid reacts with phenol in the presence of phosphoryl chloride?Q.

The reagent employed to distinguish between phenol and salicylic acid is

Q.

How to distinguish between phenol and salicylic acid

Q. Is salicylic also called phenol?

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Standard XII Chemistry

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Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction.

Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction.

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Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction.

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SOLUTION

Phenol to salicyaldehyde: When phenol is treated with chloroform in an aqueous sodium hydroxide solution followed by hydrolysis with acid, salicylaldehyde is formed.

This reaction is known as the Reimer-Tiemann reaction.

If the solvent chloroform (CHCl3) is replaced by carbon tetrachloride (CCl4), salicylic acid is formed.

Concept: Alcohols and Phenols

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Chapter 11: Alcohols, Phenols and Ethers - Long Answer Questions

Q 1 Q 6.2 Q 2.1

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SCERT Maharashtra Question Bank 12th Standard HSC Chemistry Maharashtra State Board 2022

Chapter 11 Alcohols, Phenols and Ethers

Long Answer Questions | Q 1

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