Question 1

When a leaving group and a hydrogen atom are 180° apart,they are considered to be _______.

Accepted Answer

anticoplanar or antiperiplanar

Question 2

The following rate law could be possible for which of the following mechanisms?

Accepted Answer

A) E1 
B) E2 
C) SN1 
D) SN2 
E) E2 and SN2 
A) E1 
B) E2 
C) SN1 
D) SN2 
E) E2 and SN2 E

Question 3

Draw the product(s)of the following E1 reaction.

Accepted Answer

The answer of Draw the product(s)of the following E1 reaction....

Question 4

Draw the product(s)of the following E1 reaction.

Accepted Answer

The answer of Draw the product(s)of the following E1 reaction....

Question 5

With regard to rate laws,provide the order for E1,E2,SN1,and SN2 reactions.

Accepted Answer

E1 and S_N1reactions are first o

Question 6

Which of the following steps could be found in an E1 mechanism?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 7

Give the rate law and order for the following E1 reaction.

Accepted Answer

It is a fi

Question 8

For the following SN2 reaction,what would happen to the rate if the concentrations of both A and B were tripled?

Accepted Answer

The reaction rate wo

Question 9

Draw the product(s)of the following SN1 reaction.

Accepted Answer

Question 10

The following compound can undergo two successive SN2 reactions.What are the products of these reactions?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) None of these pairs 
A) I 
B) II 
C) III 
D) IV 
E) None of these pairs

Question 11

What is the product of the following E2 reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 12

Which is true of a free energy diagram for an SN1 reaction?

Accepted Answer

A) It shows one transition state. 
B) It always shows that the reaction is net exothermic. 
C) It never shows intermediates. 
D) It always shows that the reaction is net endothermic. 
E) It always includes multiple energy barriers. 
A) It shows one transition state. 
B) It always shows that the reaction is net exothermic. 
C) It never shows intermediates. 
D) It always shows that the reaction is net endothermic. 
E) It always includes multiple energy barriers.

Question 13

The following mechanism has an unreasonable step.Indicate which step is unreasonable,and explain why.

Accepted Answer

Step 2 is unreasonable because it underg

Question 14

Are mechanism steps requiring three species likely? Explain why or why not.

Accepted Answer

In order for three different species to

Question 15

The following mechanism step is not reasonable.Explain why.

Accepted Answer

Termolecular steps are not likely becaus

Question 16

What is the most likely product of the following SN1 reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) A mixture of III and IV 
A) I 
B) II 
C) III 
D) IV 
E) A mixture of III and IV

Question 17

The following alkyl halide can react with NaBr via an SN1 mechanism.Draw the product(s)of this reaction.Be sure to pay attention to stereochemistry,if applicable.

Accepted Answer

Question 18

Draw a detailed free energy diagram for the following SN1 reaction.Include and label the overall reactants,the overall products,the intermediate(s),the axis,and the transition state(s).

Accepted Answer

Question 19

Draw the product(s)of the following E2 reaction.

Accepted Answer

The answer of Draw the product(s)of the following E2 reaction....

Question 20

Which of the following steps could be found in an E1 mechanism?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Exam 10: An Introduction to Multistep Mechanisms: Sn1 and E1 Reactions

When a leaving group and a hydrogen atom are 180° apart,they are considered to be _______.

The following rate law could be possible for which of the following mechanisms?

Draw the product(s)of the following E1 reaction.

Draw the product(s)of the following E1 reaction.

With regard to rate laws,provide the order for E1,E2,SN1,and SN2 reactions.

Which of the following steps could be found in an E1 mechanism?

Give the rate law and order for the following E1 reaction.

For the following SN2 reaction,what would happen to the rate if the concentrations of both A and B were tripled?

Draw the product(s)of the following SN1 reaction.

The following compound can undergo two successive SN2 reactions.What are the products of these reactions?

What is the product of the following E2 reaction?

Which is true of a free energy diagram for an SN1 reaction?

The following mechanism has an unreasonable step.Indicate which step is unreasonable,and explain why.

Are mechanism steps requiring three species likely? Explain why or why not.

The following mechanism step is not reasonable.Explain why.

What is the most likely product of the following SN1 reaction?

The following alkyl halide can react with NaBr via an SN1 mechanism.Draw the product(s)of this reaction.Be sure to pay attention to stereochemistry,if applicable.

Draw a detailed free energy diagram for the following SN1 reaction.Include and label the overall reactants,the overall products,the intermediate(s),the axis,and the transition state(s).

Draw the product(s)of the following E2 reaction.

Which of the following steps could be found in an E1 mechanism?

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

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

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

The Dielsalder Reaction and Other Pericyclic Reactions

Reactions Involving Free Radicals

Polymers

Filters

With regard to rate laws,provide the order for E1,E2,S_N1,and S_N2 reactions.

For the following S_N2 reaction,what would happen to the rate if the concentrations of both A and B were tripled?

Draw the product(s)of the following S_N1 reaction.

The following compound can undergo two successive S_N2 reactions.What are the products of these reactions?

Which is true of a free energy diagram for an S_N1 reaction?

What is the most likely product of the following S_N1 reaction?

The following alkyl halide can react with NaBr via an S_N1 mechanism.Draw the product(s)of this reaction.Be sure to pay attention to stereochemistry,if applicable.

Draw a detailed free energy diagram for the following S_N1 reaction.Include and label the overall reactants,the overall products,the intermediate(s),the axis,and the transition state(s).