(C) The conversion of $O$-acylated phenol to $C$-acylated phenol in the presence of a Lewis acid like $AlCl_3$ is known as the Fries rearrangement.In

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(C) The conversion of $O$-acylated phenol to $C$-acylated phenol in the presence of a Lewis acid like $AlCl_3$ is known as the Fries rearrangement.In this reaction,the acyl group $(RCO-)$ migrates from the oxygen atom of the phenolic ester to the ortho or para position of the benzene ring.Since the atoms or groups within the same molecule rearrange to form a new isomer,this process is classified as a molecular rearrangement reaction.

Class 12 Chemistry Alcohols, Phenols and Ethers Properties of Phenols

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The conversion of $O$-acylated phenol in the presence of $AlCl_3$ to $C$-acylated phenol is an example of which type of organic reaction?

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A
addition reaction
B
substitution reaction
C
molecular rearrangement
D
elimination reaction

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Alcohols, Phenols and Ethers

Subtopic

Properties of Phenols

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The increasing order of $pK_{a}$ for the following phenols is:
$1$. $2, 4-$Dinitrophenol
$2$. $4-$Nitrophenol
$3$. $2, 4, 5-$Trimethylphenol
$4$. Phenol
$5$. $3-$Chlorophenol

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Product $(A)$ in this reaction is

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Reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally introduces which one of the following functional groups?

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Sodium phenoxide when heated with $CO_2$ under pressure at $125\,^{\circ}C$ yields a product which on acetylation produces $C$. The major product $C$ would be

DifficultJEE MAIN 2014

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Which among the following phenols does $NOT$ correctly match with their $IUPAC$ names?

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The conversion of $O$-acylated phenol in the presence of $AlCl_3$ to $C$-acylated phenol is an example of which type of organic reaction?

Similar Questions

The increasing order of $pK_{a}$ for the following phenols is:$1$. $2, 4-$Dinitrophenol$2$. $4-$Nitrophenol$3$. $2, 4, 5-$Trimethylphenol$4$. Phenol$5$. $3-$Chlorophenol

Product $(A)$ in this reaction is

Reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally introduces which one of the following functional groups?

Sodium phenoxide when heated with $CO_2$ under pressure at $125\,^{\circ}C$ yields a product which on acetylation produces $C$. The major product $C$ would be

Which among the following phenols does $NOT$ correctly match with their $IUPAC$ names?

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The increasing order of $pK_{a}$ for the following phenols is:
$1$. $2, 4-$Dinitrophenol
$2$. $4-$Nitrophenol
$3$. $2, 4, 5-$Trimethylphenol
$4$. Phenol
$5$. $3-$Chlorophenol