The structural effects in the given amines with their basicities are to be stated. Concept introduction: Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus result in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

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Answer 1

Question

Chapter 19, Problem 19.61SP

(a)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus result in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

(b)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

(c)

Interpretation Introduction

Interpretation:

The reason as to why the given compound is not only a stronger base but also a stronger hydroxide ion is to be explained.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

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Arrange the following amines in order of increasing basicity. For example, an answer of 1234 would indicate that you think 1 is least basic and 4 is most basic

1. Why does H2 not give an IR spectrum? 2. Explain why primary amines and unsubstituted amides have two NH stretching absorptions. 3. Why do anhydrides show two carbonyl peaks? 4. HCl is known to give addition reactions to carbon-carbon double bonds. Why is this behavior not observed in this reaction? 5. Predict the structure of the product expected from addition of molecular bromine to maleic acid.

1.Explain why pyridine ( Kb=2.3x10-9) is a much stronger base than pyrrole (Kb=2.5x10-14), 2.Explain and illustrate, why it is difficult to perfom Friedel-Craft reactions on unactivated pyridine.

Answer 2

Question

Chapter 19, Problem 19.61SP

(a)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus result in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

(b)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

(c)

Interpretation Introduction

Interpretation:

The reason as to why the given compound is not only a stronger base but also a stronger hydroxide ion is to be explained.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

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Answer 3

Question

Chapter 19, Problem 19.61SP

(a)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus result in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

(b)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

(c)

Interpretation Introduction

Interpretation:

The reason as to why the given compound is not only a stronger base but also a stronger hydroxide ion is to be explained.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

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Answer 4

Question

Chapter 19, Problem 19.61SP

(a)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus result in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

(b)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

(c)

Interpretation Introduction

Interpretation:

The reason as to why the given compound is not only a stronger base but also a stronger hydroxide ion is to be explained.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

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Answer 5

Chapter 19, Problem 19.61SP

(a)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus result in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

(b)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

(c)

Interpretation Introduction

Interpretation:

The reason as to why the given compound is not only a stronger base but also a stronger hydroxide ion is to be explained.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

Answer 6

Chapter 19, Problem 19.61SP

(a)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus result in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

Answer 7

Chapter 19, Problem 19.61SP

(a)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus result in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The structural effects in the given amines with their basicities are to be stated.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The reason as to why the given compound is not only a stronger base but also a stronger hydroxide ion is to be explained.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The reason as to why the given compound is not only a stronger base but also a stronger hydroxide ion is to be explained.

Concept introduction:

Basicity of amines depends upon the nature of substituent present on the aromatic ring. If substituent is electron withdrawing group then it has tendency to decrease the electron density and thus results in decrease in basicity of amines, whereas electron donating groups enhance the electron density and increases the basicity.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 19.2A - Prob. 19.1P Ch. 19.2B - Prob. 19.2P Ch. 19.2B - Give correct names for the following amines:Ch. 19.3 - Prob. 19.4P Ch. 19.4 - Prob. 19.5P Ch. 19.6 - Rank each set of compounds in order of increasing...Ch. 19.8A - Prob. 19.7P Ch. 19.8C - Prob. 19.8P Ch. 19.8C - Prob. 19.9P Ch. 19.8D - a. Show how fragmentation occurs to give the base...

Solution Summary: The author explains the structural effects in the given amines with their basicities. Basicity depends upon the nature of substituent present on the aromatic ring.

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Chapter 19 Solutions