Exam 25: Electrophilic Aromatic Substitution 2: Substitution on Mono- and Disubstituted Benzene and Other Aromatic Rings

Give an example of a monosubstituted benzene ring that would undergo bromination at a higher rate than toluene.

(Essay)

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Question 21

Rank the following intermediates from highest to lowest potential energy.

(Short Answer)

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Question 22

Predict the major product of the following reaction sequence.

(Multiple Choice)

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Question 23

Predict the major product of the following reaction.

(Multiple Choice)

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Question 24

How many isomeric products could result from the reaction below?

(Multiple Choice)

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Question 25

Which of the following is the correct order of increasing rate of bromination for the three molecules below?

(Multiple Choice)

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Question 26

What arenium intermediates are formed in the ortho- and meta-substituted products of the reaction below? Draw a mechanism that leads to the formation of each intermediate,and use resonance structures to explain which would be the major product.

(Short Answer)

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Question 27

Briefly explain why the reaction below would be unsuccessful.

(Essay)

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Question 28

Draw a complete,detailed mechanism for the reaction below,and predict the product.Draw the structure of the most stable intermediate.

(Short Answer)

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Question 29

Arrange the following in order of increasing reaction rate with respect to nucleophilic aromatic substitution by methylamine.

(Short Answer)

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Question 30

Which of the following substituents is an ortho/para-directing group?

(Multiple Choice)

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Question 31

Predict the major product of the following reaction.

(Multiple Choice)

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Question 32

Predict the major product of the following reaction sequence.

(Multiple Choice)

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Question 33

Which of the following correctly explains why alkyl groups are ortho/para-directing groups?

(Multiple Choice)

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Question 34

Which of the following substituents is an activating ortho/para-directing group?

(Multiple Choice)

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Question 35

Predict the major product of the reaction below.

(Short Answer)

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Question 36

Which sequence of reactions would be the best choice to carry out the step below?

(Multiple Choice)

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Question 37

Draw a complete,detailed mechanism for the reaction below.Also draw a resonance structure that shows why the methoxy group is an ortho/para-directing group.

(Short Answer)

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Question 38

Which of the following substituents is an activating group?

(Multiple Choice)

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Question 39

In which of the following arenium ions do all atoms have a complete octet?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 50

Exam 25: Electrophilic Aromatic Substitution 2: Substitution on Mono- and Disubstituted Benzene and Other Aromatic Rings

Give an example of a monosubstituted benzene ring that would undergo bromination at a higher rate than toluene.

Rank the following intermediates from highest to lowest potential energy.

Predict the major product of the following reaction sequence.

Predict the major product of the following reaction.

How many isomeric products could result from the reaction below?

Which of the following is the correct order of increasing rate of bromination for the three molecules below?

What arenium intermediates are formed in the ortho- and meta-substituted products of the reaction below? Draw a mechanism that leads to the formation of each intermediate,and use resonance structures to explain which would be the major product.

Briefly explain why the reaction below would be unsuccessful.

Draw a complete,detailed mechanism for the reaction below,and predict the product.Draw the structure of the most stable intermediate.

Arrange the following in order of increasing reaction rate with respect to nucleophilic aromatic substitution by methylamine.

Which of the following substituents is an ortho/para-directing group?

Predict the major product of the following reaction.

Predict the major product of the following reaction sequence.

Which of the following correctly explains why alkyl groups are ortho/para-directing groups?

Which of the following substituents is an activating ortho/para-directing group?

Predict the major product of the reaction below.

Which sequence of reactions would be the best choice to carry out the step below?

Draw a complete,detailed mechanism for the reaction below.Also draw a resonance structure that shows why the methoxy group is an ortho/para-directing group.

Which of the following substituents is an activating group?

In which of the following arenium ions do all atoms have a complete octet?

Atomic and Molecular Structure

Interchapter: Nomenclature 1-4

Interchapter 1molecular Orbital Theory and Chemical Reactions

Three-Dimensional Geometry,intermolecular Interactions,and Physical Properties

Orbital Interactions 1: Hybridization and Two-Center Molecular Orbitals

Isomerism 1: Conformational and Constitutional Isomers

Isomerism 2: Chirality,enantiomers,and Diastereomers

The Proton Transfer Reaction: an Introduction to Mechanisms,thermodynamics,and Charge Stability

An Overview of the Most Common Elementary Steps

An Introduction to Multistep Mechanisms: Sn1 and E1 Reactions

Nucleophilic Substitution and Elimination Reactions 1: Competition Among Sn2,sn1,e2,and E1 Reactions

Nucleophilic Substitution and Elimination Reactions 2: Reactions That Are Useful for Synthesis

Electrophilic Addition to Nonpolar Π Bonds 1: Addition of a Brønsted Acid

Electrophilic Addition to Nonpolar Π Bonds 2: Reactions Involving Cyclic Transition States

Organic Synthesis 1: Beginning Concepts

Orbital Interactions 2: Extended Π Systems,conjugation,and Aromaticity

Structure Determination 1: Ultravioletvisible and Infrared Spectroscopies

Structure Determination 2: Nuclear Magnetic Resonance Spectroscopy and Mass Spectrometry

Nucleophilic Addition to Polar Π Bonds 1: Addition of Strong Nucleophiles

Nucleophilic Addition to Polar Π Bonds 2: Addition of Weak Nucleophiles and Acid and Base Catalysis

Organic Synthesis 2: Intermediate Topics in Synthesis Design,and Useful Reduction and Oxidation Reactions

Nucleophilic Additionelimination Reactions 1: the General Mechanism Involving Strong Nucleophiles

Nucleophilic Additionelimination Reactions 2: Weak Nucleophiles

Electrophilic Aromatic Substitution 1: Substitution on Benzene; Useful Accompanying Reactions

The Dielsalder Reaction and Other Pericyclic Reactions

Reactions Involving Free Radicals

Polymers

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