(a) Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained. Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO 2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

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Answer 1

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 21.9, Problem 25P

Interpretation Introduction

(a)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Interpretation Introduction

(b)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Interpretation Introduction

(c)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

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> You are trying to decide if there is a single reagent you can add that will make the following synthesis possible without any other major side products: 1. ☑ CI 2. H3O+ O Draw the missing reagent X you think will make this synthesis work in the drawing area below. If there is no reagent that will make your desired product in good yield or without complications, just check the box under the drawing area and leave it blank. Click and drag to start drawing a structure. Explanation Check ? DO 18 Ar B © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility

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Consider a solution of 0.00304 moles of 4-nitrobenzoic acid (pKa = 3.442) dissolved in 25 mL water and titrated with 0.0991 M NaOH. Calculate the pH at the equivalence point

Answer 2

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Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 21.9, Problem 25P

Interpretation Introduction

(a)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Interpretation Introduction

(b)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Interpretation Introduction

(c)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

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Answer 3

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 21.9, Problem 25P

Interpretation Introduction

(a)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Interpretation Introduction

(b)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Interpretation Introduction

(c)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

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Answer 4

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 21.9, Problem 25P

Interpretation Introduction

(a)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Interpretation Introduction

(b)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Interpretation Introduction

(c)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

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Answer 5

Chapter 21.9, Problem 25P

Interpretation Introduction

(a)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Interpretation Introduction

(b)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Interpretation Introduction

(c)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Answer 6

Chapter 21.9, Problem 25P

Interpretation Introduction

(a)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Answer 7

Chapter 21.9, Problem 25P

Interpretation Introduction

(a)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Answer 8

Interpretation Introduction

(b)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Answer 9

Interpretation Introduction

(b)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Answer 10

Interpretation Introduction

(c)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Answer 11

Interpretation Introduction

(c)

Interpretation: The carboxylic acid cannot be prepared by the malonic ester synthesis is to be explained.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. The formed acid has components of both alkyl halide and malonic ester.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 21.2 - Problem 23.1 Draw the enol or keto tautomer(s) of...Ch. 21.2 - Problem 23.3 When phenylacetaldehyde is dissolved...Ch. 21.3 - Prob. 5P Ch. 21.3 - Problem 23.5 Which bonds in the following...Ch. 21.3 - Prob. 7P Ch. 21.3 - Prob. 8P Ch. 21.3 - Prob. 9P Ch. 21.4 - Prob. 10P Ch. 21.5 - Prob. 11P Ch. 21.7 - Problem 23.11 Draw the products of each...

Solution Summary: The author explains that the carboxylic acid cannot be prepared by the malonic ester synthesis.

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Chapter 21 Solutions