(a) Interpretation: The structure of the compound A and its nucleophilic atom obtained from the reaction of 2 , 4 − pentanedione with a base NaH is to be stated. Concept introduction: The electron-rich chemical species that contains negative charge or lone pair of electrons are known as a nucleophile. The sodium hydride is a strong base. It abstracts a proton from the stronger acidic compound and forms its sodium salt. Hydrogen gas is evolved in this process.

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Answer 1

Question

Chapter 22, Problem 22.81AP

Interpretation Introduction

(a)

Interpretation:

The structure of the compound A and its nucleophilic atom obtained from the reaction of 2,4−pentanedione with a base NaH is to be stated.

Concept introduction:

The electron-rich chemical species that contains negative charge or lone pair of electrons are known as a nucleophile. The sodium hydride is a strong base. It abstracts a proton from the stronger acidic compound and forms its sodium salt. Hydrogen gas is evolved in this process.

Interpretation Introduction

(b)

Interpretation:

The structures of three isomeric compounds with formula C6H10O2, B, C, and D obtained from the reaction of the compound A with CH3I are to be drawn.

Concept introduction:

The enolate ions are derived from enol in which anionic charge is delocalized over the carbon and the oxygen atom. When a base abstracts a proton from a α carbon of a carbonyl compound it results in the formation of an enolate ion.

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1. Refer to the compounds below to answer the following questions: CO₂Et 0 C. H O O₂N-CH2-C-CH3 0 OEt || 111 A. Indicate all the acidic hydrogens in Compounds I through IV. IV B. Indicate which hydrogens in Compound II are the most acidic. Explain your answer C. Choose the most acidic compound from Compounds I - IV. Explain your choice.

Show how you would accomplish the following transformations. More than one step may be required. ow all reagents and all intermediate structures [one ONLY] A. H Br H CH3 NHz CH3 CH3 B. CH3CH2C-Br CH3CH2C-CN CH3 CH3.

Show how you would accomplish the following transformations. More than one step may be required. now all reagents and all intermediate structures [one ONLY] A. H Br H CH3 NHz CH3 CH3 B. CH3CH2C-Br CH3 CH3CH2C-CN CH3

Answer 2

Question

Chapter 22, Problem 22.81AP

Interpretation Introduction

(a)

Interpretation:

The structure of the compound A and its nucleophilic atom obtained from the reaction of 2,4−pentanedione with a base NaH is to be stated.

Concept introduction:

The electron-rich chemical species that contains negative charge or lone pair of electrons are known as a nucleophile. The sodium hydride is a strong base. It abstracts a proton from the stronger acidic compound and forms its sodium salt. Hydrogen gas is evolved in this process.

Interpretation Introduction

(b)

Interpretation:

The structures of three isomeric compounds with formula C6H10O2, B, C, and D obtained from the reaction of the compound A with CH3I are to be drawn.

Concept introduction:

The enolate ions are derived from enol in which anionic charge is delocalized over the carbon and the oxygen atom. When a base abstracts a proton from a α carbon of a carbonyl compound it results in the formation of an enolate ion.

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Answer 3

Question

Chapter 22, Problem 22.81AP

Interpretation Introduction

(a)

Interpretation:

The structure of the compound A and its nucleophilic atom obtained from the reaction of 2,4−pentanedione with a base NaH is to be stated.

Concept introduction:

The electron-rich chemical species that contains negative charge or lone pair of electrons are known as a nucleophile. The sodium hydride is a strong base. It abstracts a proton from the stronger acidic compound and forms its sodium salt. Hydrogen gas is evolved in this process.

Interpretation Introduction

(b)

Interpretation:

The structures of three isomeric compounds with formula C6H10O2, B, C, and D obtained from the reaction of the compound A with CH3I are to be drawn.

Concept introduction:

The enolate ions are derived from enol in which anionic charge is delocalized over the carbon and the oxygen atom. When a base abstracts a proton from a α carbon of a carbonyl compound it results in the formation of an enolate ion.

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Answer 4

Question

Chapter 22, Problem 22.81AP

Interpretation Introduction

(a)

Interpretation:

The structure of the compound A and its nucleophilic atom obtained from the reaction of 2,4−pentanedione with a base NaH is to be stated.

Concept introduction:

The electron-rich chemical species that contains negative charge or lone pair of electrons are known as a nucleophile. The sodium hydride is a strong base. It abstracts a proton from the stronger acidic compound and forms its sodium salt. Hydrogen gas is evolved in this process.

Interpretation Introduction

(b)

Interpretation:

The structures of three isomeric compounds with formula C6H10O2, B, C, and D obtained from the reaction of the compound A with CH3I are to be drawn.

Concept introduction:

The enolate ions are derived from enol in which anionic charge is delocalized over the carbon and the oxygen atom. When a base abstracts a proton from a α carbon of a carbonyl compound it results in the formation of an enolate ion.

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Answer 5

Chapter 22, Problem 22.81AP

Interpretation Introduction

(a)

Interpretation:

The structure of the compound A and its nucleophilic atom obtained from the reaction of 2,4−pentanedione with a base NaH is to be stated.

Concept introduction:

The electron-rich chemical species that contains negative charge or lone pair of electrons are known as a nucleophile. The sodium hydride is a strong base. It abstracts a proton from the stronger acidic compound and forms its sodium salt. Hydrogen gas is evolved in this process.

Interpretation Introduction

(b)

Interpretation:

The structures of three isomeric compounds with formula C6H10O2, B, C, and D obtained from the reaction of the compound A with CH3I are to be drawn.

Concept introduction:

The enolate ions are derived from enol in which anionic charge is delocalized over the carbon and the oxygen atom. When a base abstracts a proton from a α carbon of a carbonyl compound it results in the formation of an enolate ion.

Answer 6

Chapter 22, Problem 22.81AP

Interpretation Introduction

(a)

Interpretation:

The structure of the compound A and its nucleophilic atom obtained from the reaction of 2,4−pentanedione with a base NaH is to be stated.

Concept introduction:

The electron-rich chemical species that contains negative charge or lone pair of electrons are known as a nucleophile. The sodium hydride is a strong base. It abstracts a proton from the stronger acidic compound and forms its sodium salt. Hydrogen gas is evolved in this process.

Answer 7

Chapter 22, Problem 22.81AP

Interpretation Introduction

(a)

Interpretation:

The structure of the compound A and its nucleophilic atom obtained from the reaction of 2,4−pentanedione with a base NaH is to be stated.

Concept introduction:

The electron-rich chemical species that contains negative charge or lone pair of electrons are known as a nucleophile. The sodium hydride is a strong base. It abstracts a proton from the stronger acidic compound and forms its sodium salt. Hydrogen gas is evolved in this process.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The structures of three isomeric compounds with formula C6H10O2, B, C, and D obtained from the reaction of the compound A with CH3I are to be drawn.

Concept introduction:

The enolate ions are derived from enol in which anionic charge is delocalized over the carbon and the oxygen atom. When a base abstracts a proton from a α carbon of a carbonyl compound it results in the formation of an enolate ion.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The structures of three isomeric compounds with formula C6H10O2, B, C, and D obtained from the reaction of the compound A with CH3I are to be drawn.

Concept introduction:

The enolate ions are derived from enol in which anionic charge is delocalized over the carbon and the oxygen atom. When a base abstracts a proton from a α carbon of a carbonyl compound it results in the formation of an enolate ion.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 22 - Prob. 22.1P Ch. 22 - Prob. 22.2P Ch. 22 - Prob. 22.3P Ch. 22 - Prob. 22.4P Ch. 22 - Prob. 22.5P Ch. 22 - Prob. 22.6P Ch. 22 - Prob. 22.7P Ch. 22 - Prob. 22.8P Ch. 22 - Prob. 22.9P Ch. 22 - Prob. 22.10P

Solution Summary: The author explains that the structure of the compound A and its nucleophilic atom is marked as shown in Figure 1.

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