The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions. Concept Introduction: Allylic systems: The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here: Stability of the allylic carbocations: Primary < Secondary < tertiary Example for Primary allylic carbocation is: Example for Secondary allylic carbocation is: Example for tertiary allylic carbocation is:

Question

Explanation Check 1:01AM Done 110 Functional Groups Identifying and drawing hemiacetals and acetals In the drawing area below, create a hemiacetal with 1 ethoxy group, 1 propoxy group, and a total of 9 carbon atoms. Click and drag to start drawing a structure. ✓ $ 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use S

Answer 1

Question

Chapter 20, Problem 20.15P

(a)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

(b)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

(c)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

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Explanation Check 1:01AM Done 110 Functional Groups Identifying and drawing hemiacetals and acetals In the drawing area below, create a hemiacetal with 1 ethoxy group, 1 propoxy group, and a total of 9 carbon atoms. Click and drag to start drawing a structure. ✓ $ 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use S

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Write the systematic name of each organic molecule: structure i HO OH Explanation Check name ☐ ☐

Answer 2

Question

Chapter 20, Problem 20.15P

(a)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

(b)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

(c)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

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Answer 3

Question

Chapter 20, Problem 20.15P

(a)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

(b)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

(c)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

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Answer 4

Question

Chapter 20, Problem 20.15P

(a)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

(b)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

(c)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

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Answer 5

Chapter 20, Problem 20.15P

(a)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

(b)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

(c)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

Answer 6

Chapter 20, Problem 20.15P

(a)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

Answer 7

Chapter 20, Problem 20.15P

(a)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

Answer 8

(b)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

Answer 9

(b)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

Answer 10

(c)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

Answer 11

(c)

Interpretation Introduction

Interpretation: The important resonance hybrids for the given allylic carbocations have to be drawn and ranked based on their contributions.

Concept Introduction:

Allylic systems:

The allylic system is characterized by the connectivity of a single bonded carbon atom connected to double bond alkene functional group as shown here:

Stability of the allylic carbocations:

Primary < Secondary < tertiary

Example for Primary allylic carbocation is:

Example for Secondary allylic carbocation is:

Example for tertiary allylic carbocation is:

Answer 12

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Answer 23

Ch. 20.1 - Prob. 20.1P Ch. 20.1 - Estimate the stabilization gained as a result of...Ch. 20.2 - Predict the product(s) formed by addition of one...Ch. 20.3 - Prob. 20.4P Ch. 20.3 - Prob. 20.5P Ch. 20.4 - Prob. 20.6P Ch. 20.5 - Prob. 20.7P Ch. 20.5 - Prob. 20.8P Ch. 20.5 - Prob. 20.9P Ch. 20.6 - Prob. 20.10P

Solution Summary: The author explains that the resonance hybrids for the given allylic carbocation have to be drawn based on their contributions.

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Chapter 20 Solutions