Question 1

A protecting group changes the reactivity of a functional group to one that is inert to reaction conditions without becoming a permanent part of the molecule.

Accepted Answer

A) True 
 B)False

Question 2

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 3

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 4

What are the major products obtained upon treatment of anisole, PhOCH3, with excess HBr?

Accepted Answer

A) phenol and methanol 
B) bromobenzene and bromomethane 
C) phenol and bromomethane 
D) bromobenzene and methanol 
A) phenol and methanol 
B) bromobenzene and bromomethane 
C) phenol and bromomethane 
D) bromobenzene and methanol

Question 5

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

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 6

The name of the alkene that reacts with methanol in an acid catalyzed reaction to produce t-butyl methyl ether is ________________.

Accepted Answer

The answer of The name of the alkene that reacts...

Question 7

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

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 8

The structure shown below can be named as either ethylene oxide or oxirane.

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 10

Consider the reaction below to answer the following questions.  
-The name of the product of the reaction is _______________________.

Accepted Answer

cylcopenty

Question 11

What type of mechanism accounts for the cleavage of tert-butyl methyl ether upon treatment with HBr?

Accepted Answer

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

Question 12

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

Accepted Answer

A) peroxyacid 
B) Br2, H2O; followed by NaOH, H2O 
C) OsO4; followed by NaHSO3 
D) H2O, H2SO4 
A) peroxyacid 
B) Br2, H2O; followed by NaOH, H2O 
C) OsO4; followed by NaHSO3 
D) H2O, H2SO4

Question 13

What is the correct assignment of the names of the following ethers?

Accepted Answer

A) 1 = oxirane; 2 = oxetane; 3 = oxane 
B) 1 = oxirane; 2 = oxitane; 3 = oxane 
C) 1 = oxane; 2 = dioxane; 3 = oxetane 
D) 1 = oxirane; 2 = oxolane; 3 = oxane 
A) 1 = oxirane; 2 = oxetane; 3 = oxane 
B) 1 = oxirane; 2 = oxitane; 3 = oxane 
C) 1 = oxane; 2 = dioxane; 3 = oxetane 
D) 1 = oxirane; 2 = oxolane; 3 = oxane

Exam 11: Ethers, Epoxides, and Sulfides

A protecting group changes the reactivity of a functional group to one that is inert to reaction conditions without becoming a permanent part of the molecule.

What is the major organic product obtained from the following sequence of reactions?

What is the major organic product obtained from the following sequence of reactions?

What are the major products obtained upon treatment of anisole, PhOCH3, with excess HBr?

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

The name of the alkene that reacts with methanol in an acid catalyzed reaction to produce t-butyl methyl ether is ________________.

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

The structure shown below can be named as either ethylene oxide or oxirane.

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

Consider the reaction below to answer the following questions. -The name of the product of the reaction is _______________________.

What type of mechanism accounts for the cleavage of tert-butyl methyl ether upon treatment with HBr?

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

What is the correct assignment of the names of the following ethers?

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

Nucleophilic Substitution and Beta-Elimination

Alcohols

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

Filters

What are the major products obtained upon treatment of anisole, PhOCH₃, with excess HBr?