The given azo dye has to be prepared via an azo coupling starting from benzene and isopropyl chloride. Concept Introduction : Azo coupling : Aryldiazonium salts on coupling with an activated aromatic ring give an azo dye which produces a deep color in the final product. This color is due to the extended conjugation in it. This reaction occurs by electrophilic substitution reaction. This method is called an azo coupling. The obtained final compound is known as azo dyes. Friedel-Crafts Alkylation: The Friedel-Crafts alkylation involves the electrophilic substitution of alkyl groups on aromatic rings when arenes are treated with alkyl halides in presence of Lewis acids. This reaction is catalyzed by Lewis acids like anhydrous AlCl 3 , FeX 3, ZnCl 2 , BF 3 etc. To find: Prepare the given azo dye via an azo coupling starting from benzene and isopropyl chloride Apply a retrosynthetic analysis for the given azo dye

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Answer 1

Question

Chapter 22, Problem 78IP

Interpretation Introduction

Interpretation: The given azo dye has to be prepared via an azo coupling starting from benzene and isopropyl chloride.

Concept Introduction:

Azo coupling: Aryldiazonium salts on coupling with an activated aromatic ring give an azo dye which produces a deep color in the final product. This color is due to the extended conjugation in it. This reaction occurs by electrophilic substitution reaction. This method is called an azo coupling. The obtained final compound is known as azo dyes.

Friedel-Crafts Alkylation: The Friedel-Crafts alkylation involves the electrophilic substitution of alkyl groups on aromatic rings when arenes are treated with alkyl halides in presence of Lewis acids. This reaction is catalyzed by Lewis acids like anhydrous AlCl₃, FeX_3,ZnCl₂, BF₃ etc.

To find: Prepare the given azo dye via an azo coupling starting from benzene and isopropyl chloride

Apply a retrosynthetic analysis for the given azo dye

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Answer 2

Question

Chapter 22, Problem 78IP

Interpretation Introduction

Interpretation: The given azo dye has to be prepared via an azo coupling starting from benzene and isopropyl chloride.

Concept Introduction:

Azo coupling: Aryldiazonium salts on coupling with an activated aromatic ring give an azo dye which produces a deep color in the final product. This color is due to the extended conjugation in it. This reaction occurs by electrophilic substitution reaction. This method is called an azo coupling. The obtained final compound is known as azo dyes.

Friedel-Crafts Alkylation: The Friedel-Crafts alkylation involves the electrophilic substitution of alkyl groups on aromatic rings when arenes are treated with alkyl halides in presence of Lewis acids. This reaction is catalyzed by Lewis acids like anhydrous AlCl₃, FeX_3,ZnCl₂, BF₃ etc.

To find: Prepare the given azo dye via an azo coupling starting from benzene and isopropyl chloride

Apply a retrosynthetic analysis for the given azo dye

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Answer 3

Question

Chapter 22, Problem 78IP

Interpretation Introduction

Interpretation: The given azo dye has to be prepared via an azo coupling starting from benzene and isopropyl chloride.

Concept Introduction:

Azo coupling: Aryldiazonium salts on coupling with an activated aromatic ring give an azo dye which produces a deep color in the final product. This color is due to the extended conjugation in it. This reaction occurs by electrophilic substitution reaction. This method is called an azo coupling. The obtained final compound is known as azo dyes.

Friedel-Crafts Alkylation: The Friedel-Crafts alkylation involves the electrophilic substitution of alkyl groups on aromatic rings when arenes are treated with alkyl halides in presence of Lewis acids. This reaction is catalyzed by Lewis acids like anhydrous AlCl₃, FeX_3,ZnCl₂, BF₃ etc.

To find: Prepare the given azo dye via an azo coupling starting from benzene and isopropyl chloride

Apply a retrosynthetic analysis for the given azo dye

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Answer 4

Question

Chapter 22, Problem 78IP

Interpretation Introduction

Interpretation: The given azo dye has to be prepared via an azo coupling starting from benzene and isopropyl chloride.

Concept Introduction:

Azo coupling: Aryldiazonium salts on coupling with an activated aromatic ring give an azo dye which produces a deep color in the final product. This color is due to the extended conjugation in it. This reaction occurs by electrophilic substitution reaction. This method is called an azo coupling. The obtained final compound is known as azo dyes.

Friedel-Crafts Alkylation: The Friedel-Crafts alkylation involves the electrophilic substitution of alkyl groups on aromatic rings when arenes are treated with alkyl halides in presence of Lewis acids. This reaction is catalyzed by Lewis acids like anhydrous AlCl₃, FeX_3,ZnCl₂, BF₃ etc.

To find: Prepare the given azo dye via an azo coupling starting from benzene and isopropyl chloride

Apply a retrosynthetic analysis for the given azo dye

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Answer 5

Chapter 22, Problem 78IP

Interpretation Introduction

Interpretation: The given azo dye has to be prepared via an azo coupling starting from benzene and isopropyl chloride.

Concept Introduction:

Azo coupling: Aryldiazonium salts on coupling with an activated aromatic ring give an azo dye which produces a deep color in the final product. This color is due to the extended conjugation in it. This reaction occurs by electrophilic substitution reaction. This method is called an azo coupling. The obtained final compound is known as azo dyes.

Friedel-Crafts Alkylation: The Friedel-Crafts alkylation involves the electrophilic substitution of alkyl groups on aromatic rings when arenes are treated with alkyl halides in presence of Lewis acids. This reaction is catalyzed by Lewis acids like anhydrous AlCl₃, FeX_3,ZnCl₂, BF₃ etc.

To find: Prepare the given azo dye via an azo coupling starting from benzene and isopropyl chloride

Apply a retrosynthetic analysis for the given azo dye

Answer 6

Chapter 22, Problem 78IP

Interpretation Introduction

Interpretation: The given azo dye has to be prepared via an azo coupling starting from benzene and isopropyl chloride.

Concept Introduction:

Azo coupling: Aryldiazonium salts on coupling with an activated aromatic ring give an azo dye which produces a deep color in the final product. This color is due to the extended conjugation in it. This reaction occurs by electrophilic substitution reaction. This method is called an azo coupling. The obtained final compound is known as azo dyes.

Friedel-Crafts Alkylation: The Friedel-Crafts alkylation involves the electrophilic substitution of alkyl groups on aromatic rings when arenes are treated with alkyl halides in presence of Lewis acids. This reaction is catalyzed by Lewis acids like anhydrous AlCl₃, FeX_3,ZnCl₂, BF₃ etc.

To find: Prepare the given azo dye via an azo coupling starting from benzene and isopropyl chloride

Apply a retrosynthetic analysis for the given azo dye

Answer 7

Chapter 22, Problem 78IP

Interpretation Introduction

Interpretation: The given azo dye has to be prepared via an azo coupling starting from benzene and isopropyl chloride.

Concept Introduction:

Azo coupling: Aryldiazonium salts on coupling with an activated aromatic ring give an azo dye which produces a deep color in the final product. This color is due to the extended conjugation in it. This reaction occurs by electrophilic substitution reaction. This method is called an azo coupling. The obtained final compound is known as azo dyes.

Friedel-Crafts Alkylation: The Friedel-Crafts alkylation involves the electrophilic substitution of alkyl groups on aromatic rings when arenes are treated with alkyl halides in presence of Lewis acids. This reaction is catalyzed by Lewis acids like anhydrous AlCl₃, FeX_3,ZnCl₂, BF₃ etc.

To find: Prepare the given azo dye via an azo coupling starting from benzene and isopropyl chloride

Apply a retrosynthetic analysis for the given azo dye

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 22.2 - Prob. 1LTS Ch. 22.2 - Prob. 1PTS Ch. 22.2 - Prob. 2PTS Ch. 22.2 - Prob. 3ATS Ch. 22.3 - Prob. 4CC Ch. 22.3 - Prob. 5CC Ch. 22.3 - Prob. 6CC Ch. 22.3 - Prob. 7CC Ch. 22.3 - Prob. 8CC Ch. 22.3 - Prob. 9CC

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Chapter 22 Solutions