Exam 9: Nucleophilic Substitution and Beta-Elimination

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Consider the pair of reactions below to answer the following question(s). a. or b. -In the reactions a and b if concentration of OH^- and SH^-, respectively, were doubled, the rate of the reactions would ___________.

(Short Answer)

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Question 61

The following reaction would be classified as an elimination.

(True/False)

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Question 62

What is(are) the major organic product(s) obtained from the following substitution reaction?

(Multiple Choice)

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Question 63

Consider the reaction below to answer the following question(s). -Compound B by is formed by an _____ mechanism.

(Short Answer)

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Question 64

Which of the following most favors elimination rather substitution in a reaction with sodium methoxide?

(Multiple Choice)

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Question 65

Which of the following is best set of conditions for the preparation of tert-butanol?

(Multiple Choice)

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Question 66

What is the major organic product obtained from the following reaction?

(Multiple Choice)

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Question 67

What is the major organic product obtained from the following reaction?

(Essay)

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Question 68

Which of the following anions is the best leaving group in an S_N1 reaction?

(Multiple Choice)

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Question 69

Which of the following most favors elimination rather substitution in a reaction with 2-bromopropane?

(Multiple Choice)

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Question 70

What is(are) the major organic product(s) obtained from the following substitution reaction?

(Multiple Choice)

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Question 71

Which of the following compounds undergoes the most rapid hydrolysis reaction?

(Multiple Choice)

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Question 72

What is the best choice of reagent to perform the following transformation?

(Multiple Choice)

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Question 73

Which of the following compounds is the most nucleophilic in polar protic solvents?

(Multiple Choice)

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Question 74

What is the major organic product(s) obtained from the following reaction?

(Multiple Choice)

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Question 75

Draw all of the chloroalkanes that undergo base-promoted dehydrochlorination to form the following alkene?

(Essay)

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Question 76

Consider the pair of reactions below to answer the following question(s). a. or b. -These reactions are classified as ________________reactions.

(Short Answer)

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Question 77

Which of the following represents the transition state of the rate-determining step in the reaction between tert-butyl iodide and water leading to elimination?

(Multiple Choice)

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Question 78

Which of the following alkyl halides undergoes the fastest solvolysis reaction with formic acid, HCOOH?

(Multiple Choice)

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Question 79

Which of the following represents the transition state of the reaction between methyl iodide and ammonia?

(Multiple Choice)

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Question 80

Showing 61 - 80 of 111

Exam 9: Nucleophilic Substitution and Beta-Elimination

Consider the pair of reactions below to answer the following question(s). a. or b. -In the reactions a and b if concentration of OH- and SH-, respectively, were doubled, the rate of the reactions would ___________.

The following reaction would be classified as an elimination.

What is(are) the major organic product(s) obtained from the following substitution reaction?

Consider the reaction below to answer the following question(s). -Compound B by is formed by an _____ mechanism.

Which of the following most favors elimination rather substitution in a reaction with sodium methoxide?

Which of the following is best set of conditions for the preparation of tert-butanol?

What is the major organic product obtained from the following reaction?

What is the major organic product obtained from the following reaction?

Which of the following anions is the best leaving group in an SN1 reaction?

Which of the following most favors elimination rather substitution in a reaction with 2-bromopropane?

What is(are) the major organic product(s) obtained from the following substitution reaction?

Which of the following compounds undergoes the most rapid hydrolysis reaction?

What is the best choice of reagent to perform the following transformation?

Which of the following compounds is the most nucleophilic in polar protic solvents?

What is the major organic product(s) obtained from the following reaction?

Draw all of the chloroalkanes that undergo base-promoted dehydrochlorination to form the following alkene?

Consider the pair of reactions below to answer the following question(s). a. or b. -These reactions are classified as ________________reactions.

Which of the following represents the transition state of the rate-determining step in the reaction between tert-butyl iodide and water leading to elimination?

Which of the following alkyl halides undergoes the fastest solvolysis reaction with formic acid, HCOOH?

Which of the following represents the transition state of the reaction between methyl iodide and ammonia?

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

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Consider the pair of reactions below to answer the following question(s). a. or b. -In the reactions a and b if concentration of OH^- and SH^-, respectively, were doubled, the rate of the reactions would ___________.

Which of the following anions is the best leaving group in an S_N1 reaction?