(a) Interpretation: The reason for –NHCOR group of amide being activating group is to be explained. Concept introduction: An activating group is the group, which activates the benzene ring toward electrophilic aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

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Answer 1

Question

Chapter 23, Problem 23.42P

Interpretation Introduction

(a)

Interpretation:

The reason for –NHCOR group of amide being activating group is to be explained.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

Interpretation Introduction

(b)

Interpretation:

It is to be explained why the –NHCOR group of an amide is an activating group, but it is not as strongly activating as NH2.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

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Deducing the reactants of a Diels-Alder reaction n the molecule on the right-hand side of this organic reaction be made in good yield from no more than two reactants, in one step, by moderately heating the reactants? ? Δ • If your answer is yes, then draw the reactant or reactants in the drawing area below. You can draw the reactants in any arrangement you like. • If your answer is no, check the box under the drawing area instead. Explanation Check Click and drag to start drawing a structure. >

Predict the major products of the following organic reaction: + Some important notes: A ? • Draw the major product, or products, of the reaction in the drawing area below. • If there aren't any products, because no reaction will take place, check the box below the drawing area instead. • Be sure to use wedge and dash bonds when necessary, for example to distinguish between major products that are enantiomers. Explanation Check Click and drag to start drawing a structure.

if the answer is no reaction than state that and please hand draw!

Answer 2

Question

Chapter 23, Problem 23.42P

Interpretation Introduction

(a)

Interpretation:

The reason for –NHCOR group of amide being activating group is to be explained.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

Interpretation Introduction

(b)

Interpretation:

It is to be explained why the –NHCOR group of an amide is an activating group, but it is not as strongly activating as NH2.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

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Answer 3

Question

Chapter 23, Problem 23.42P

Interpretation Introduction

(a)

Interpretation:

The reason for –NHCOR group of amide being activating group is to be explained.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

Interpretation Introduction

(b)

Interpretation:

It is to be explained why the –NHCOR group of an amide is an activating group, but it is not as strongly activating as NH2.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

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Answer 4

Question

Chapter 23, Problem 23.42P

Interpretation Introduction

(a)

Interpretation:

The reason for –NHCOR group of amide being activating group is to be explained.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

Interpretation Introduction

(b)

Interpretation:

It is to be explained why the –NHCOR group of an amide is an activating group, but it is not as strongly activating as NH2.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

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Answer 5

Chapter 23, Problem 23.42P

Interpretation Introduction

(a)

Interpretation:

The reason for –NHCOR group of amide being activating group is to be explained.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

Interpretation Introduction

(b)

Interpretation:

It is to be explained why the –NHCOR group of an amide is an activating group, but it is not as strongly activating as NH2.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

Answer 6

Chapter 23, Problem 23.42P

Interpretation Introduction

(a)

Interpretation:

The reason for –NHCOR group of amide being activating group is to be explained.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

Answer 7

Chapter 23, Problem 23.42P

Interpretation Introduction

(a)

Interpretation:

The reason for –NHCOR group of amide being activating group is to be explained.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

Answer 8

Interpretation Introduction

(b)

Interpretation:

It is to be explained why the –NHCOR group of an amide is an activating group, but it is not as strongly activating as NH2.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

Answer 9

Interpretation Introduction

(b)

Interpretation:

It is to be explained why the –NHCOR group of an amide is an activating group, but it is not as strongly activating as NH2.

Concept introduction:

An activating group is the group, which activates the benzene ring toward electrophilic

aromatic substitution. In general, ortho/para directors increase the rate of electrophilic aromatic substitution and are called activating groups. A substituent attached to a phenyl ring by an atom possessing a lone pair of electrons tends to be an ortho/para director. Activating groups stabilize the arenium ion intermediate by participation of lone pair on the atom of substituent in resonance.

Answer 10

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Answer 13

Ch. 23 - Prob. 23.1P Ch. 23 - Prob. 23.2P Ch. 23 - Prob. 23.3P Ch. 23 - Prob. 23.4P Ch. 23 - Prob. 23.5P Ch. 23 - Prob. 23.6P Ch. 23 - Prob. 23.7P Ch. 23 - Prob. 23.8P Ch. 23 - Prob. 23.9P Ch. 23 - Prob. 23.10P

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Chapter 23 Solutions