Your Turn 25.19 shows two resonance structures of the phenoxy radical produced after abstraction of hydrogen from α-tocopherol. Three more resonance structures of the phenoxy radical, including curved arrows, are to be drawn. Concept introduction: A single-barbed arrow represents the movement of a single electron. Even though the curved arrow notation is different from that used to indicate resonance in the cations, the unpaired electron in each radical is shared among the same carbon atoms as the positive charge is in the analogous carbocations. The atom having unpaired electron attached to double bond shows movement of that electron. Three single barbed arrows are needed to show the electron movement to get the other resonance structure.

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Answer 1

Question

Chapter 25, Problem 25.19P

Interpretation Introduction

Interpretation:

Your Turn 25.19 shows two resonance structures of the phenoxy radical produced after abstraction of hydrogen from α-tocopherol. Three more resonance structures of the phenoxy radical, including curved arrows, are to be drawn.

Concept introduction:

A single-barbed arrow represents the movement of a single electron. Even though the curved arrow notation is different from that used to indicate resonance in the cations, the unpaired electron in each radical is shared among the same carbon atoms as the positive charge is in the analogous carbocations. The atom having unpaired electron attached to double bond shows movement of that electron. Three single barbed arrows are needed to show the electron movement to get the other resonance structure.

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Answer 2

Question

Chapter 25, Problem 25.19P

Interpretation Introduction

Interpretation:

Your Turn 25.19 shows two resonance structures of the phenoxy radical produced after abstraction of hydrogen from α-tocopherol. Three more resonance structures of the phenoxy radical, including curved arrows, are to be drawn.

Concept introduction:

A single-barbed arrow represents the movement of a single electron. Even though the curved arrow notation is different from that used to indicate resonance in the cations, the unpaired electron in each radical is shared among the same carbon atoms as the positive charge is in the analogous carbocations. The atom having unpaired electron attached to double bond shows movement of that electron. Three single barbed arrows are needed to show the electron movement to get the other resonance structure.

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Answer 3

Question

Chapter 25, Problem 25.19P

Interpretation Introduction

Interpretation:

Your Turn 25.19 shows two resonance structures of the phenoxy radical produced after abstraction of hydrogen from α-tocopherol. Three more resonance structures of the phenoxy radical, including curved arrows, are to be drawn.

Concept introduction:

A single-barbed arrow represents the movement of a single electron. Even though the curved arrow notation is different from that used to indicate resonance in the cations, the unpaired electron in each radical is shared among the same carbon atoms as the positive charge is in the analogous carbocations. The atom having unpaired electron attached to double bond shows movement of that electron. Three single barbed arrows are needed to show the electron movement to get the other resonance structure.

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Answer 4

Question

Chapter 25, Problem 25.19P

Interpretation Introduction

Interpretation:

Your Turn 25.19 shows two resonance structures of the phenoxy radical produced after abstraction of hydrogen from α-tocopherol. Three more resonance structures of the phenoxy radical, including curved arrows, are to be drawn.

Concept introduction:

A single-barbed arrow represents the movement of a single electron. Even though the curved arrow notation is different from that used to indicate resonance in the cations, the unpaired electron in each radical is shared among the same carbon atoms as the positive charge is in the analogous carbocations. The atom having unpaired electron attached to double bond shows movement of that electron. Three single barbed arrows are needed to show the electron movement to get the other resonance structure.

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Answer 5

Chapter 25, Problem 25.19P

Interpretation Introduction

Interpretation:

Your Turn 25.19 shows two resonance structures of the phenoxy radical produced after abstraction of hydrogen from α-tocopherol. Three more resonance structures of the phenoxy radical, including curved arrows, are to be drawn.

Concept introduction:

A single-barbed arrow represents the movement of a single electron. Even though the curved arrow notation is different from that used to indicate resonance in the cations, the unpaired electron in each radical is shared among the same carbon atoms as the positive charge is in the analogous carbocations. The atom having unpaired electron attached to double bond shows movement of that electron. Three single barbed arrows are needed to show the electron movement to get the other resonance structure.

Answer 6

Chapter 25, Problem 25.19P

Interpretation Introduction

Interpretation:

Your Turn 25.19 shows two resonance structures of the phenoxy radical produced after abstraction of hydrogen from α-tocopherol. Three more resonance structures of the phenoxy radical, including curved arrows, are to be drawn.

Concept introduction:

A single-barbed arrow represents the movement of a single electron. Even though the curved arrow notation is different from that used to indicate resonance in the cations, the unpaired electron in each radical is shared among the same carbon atoms as the positive charge is in the analogous carbocations. The atom having unpaired electron attached to double bond shows movement of that electron. Three single barbed arrows are needed to show the electron movement to get the other resonance structure.

Answer 7

Chapter 25, Problem 25.19P

Interpretation Introduction

Interpretation:

Your Turn 25.19 shows two resonance structures of the phenoxy radical produced after abstraction of hydrogen from α-tocopherol. Three more resonance structures of the phenoxy radical, including curved arrows, are to be drawn.

Concept introduction:

A single-barbed arrow represents the movement of a single electron. Even though the curved arrow notation is different from that used to indicate resonance in the cations, the unpaired electron in each radical is shared among the same carbon atoms as the positive charge is in the analogous carbocations. The atom having unpaired electron attached to double bond shows movement of that electron. Three single barbed arrows are needed to show the electron movement to get the other resonance structure.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 25 - Prob. 25.1P Ch. 25 - Prob. 25.2P Ch. 25 - Prob. 25.3P Ch. 25 - Prob. 25.4P Ch. 25 - Prob. 25.5P Ch. 25 - Prob. 25.6P Ch. 25 - Prob. 25.7P Ch. 25 - Prob. 25.8P Ch. 25 - Prob. 25.9P Ch. 25 - Prob. 25.10P

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Chapter 25 Solutions