(a) Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated. Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

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Answer 1

Question

Chapter 22, Problem 22.49P

Interpretation Introduction

(a)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Interpretation Introduction

(b)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Interpretation Introduction

(c)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

Interpretation Introduction

(d)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

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Predict whether Tolualdehyde will test positive for a) Tollens’ test, b) Benedict’s test. Pls explain why.

What products are formed by hydrolysis of each lactone or lactam with acid?

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Answer 2

Question

Chapter 22, Problem 22.49P

Interpretation Introduction

(a)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Interpretation Introduction

(b)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Interpretation Introduction

(c)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

Interpretation Introduction

(d)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

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Answer 3

Question

Chapter 22, Problem 22.49P

Interpretation Introduction

(a)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Interpretation Introduction

(b)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Interpretation Introduction

(c)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

Interpretation Introduction

(d)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

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Answer 4

Question

Chapter 22, Problem 22.49P

Interpretation Introduction

(a)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Interpretation Introduction

(b)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Interpretation Introduction

(c)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

Interpretation Introduction

(d)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

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Answer 5

Chapter 22, Problem 22.49P

Interpretation Introduction

(a)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Interpretation Introduction

(b)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Interpretation Introduction

(c)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

Interpretation Introduction

(d)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

Answer 6

Chapter 22, Problem 22.49P

Interpretation Introduction

(a)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Answer 7

Chapter 22, Problem 22.49P

Interpretation Introduction

(a)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Answer 8

Interpretation Introduction

(b)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Answer 9

Interpretation Introduction

(b)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Lactones are cyclic esters derived from hydroxycarboxylic acids. The synthesis of lactones from hydroxycarboxylic acid is done by intramolecular esterification reaction. However, they can be converted back to hydroxycarboxylic acids by acidic hydrolysis.

Answer 10

Interpretation Introduction

(c)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

Answer 11

Interpretation Introduction

(c)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

Answer 12

Interpretation Introduction

(d)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

Answer 13

Interpretation Introduction

(d)

Interpretation: The product formed by the hydrolysis of given lactone or lactam with acid is to be stated.

Concept introduction: Amides are hydrolyzed either in acidic or basic media to yield carboxylic acids or carboxylate anions. A cyclic amide is termed as lactam. It undergoes ring opening in the presence of acid to yield a compound that contains carboxylic acid and amine groups.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 22 - Prob. 22.1P Ch. 22 - Draw the three possible resonance structures for...Ch. 22 - Prob. 22.3P Ch. 22 - Give an IUPAC or common name for each compound. a....Ch. 22 - Problem 22.5 Draw the structure corresponding to...Ch. 22 - Problem 22.6 Explain why the boiling point of is...Ch. 22 - Problem 22.7 How would the compounds in each pair...Ch. 22 - Problem 22.8 Deduce the structures of compounds ...Ch. 22 - Problem 22.9 Without reading ahead in Chapter 22,...Ch. 22 - Rank the compounds in each group in order of...

Solution Summary: The author explains that lactones are cyclic esters derived from hydroxycarboxylic acids.

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Chapter 22 Solutions