Question 1

What type of mechanism accounts for the cleavage of dibutyl ether upon treatment with HBr to give two moles of 1-bromobutane?

Accepted Answer

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

Question 2

The following reaction is a valid means of preparing the given product.

Accepted Answer

A) True 
 B)False

Question 3

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 4

Which of the following reactions provides tert-butyl methyl ether in a high yield?

Accepted Answer

A) potassium tert-butoxide + iodomethane 
B) sodium methoxide + tert-butyl bromide 
C) methanol + tert-butyl alcohol in the presence of KOH 
D) iodomethane + tert-butyl bromide in the presence of KOH 
A) potassium tert-butoxide + iodomethane 
B) sodium methoxide + tert-butyl bromide 
C) methanol + tert-butyl alcohol in the presence of KOH 
D) iodomethane + tert-butyl bromide in the presence of KOH

Question 5

The correct name for the following compound is 12-crown-4.

Accepted Answer

A) True 
 B)False

Question 6

Consider the reaction below to answer the following questions.  
-The reaction shown here is an example of a ______________ ________synthesis

Accepted Answer

The answer of Consider the reaction below to answer the...

Question 7

Consider the reaction below to answer the following questions.  
-The reaction shown here proceeds by a(n) _______ mechanism.

Accepted Answer

The answer of Consider the reaction below to answer the...

Question 8

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 9

A crown ether named 18-crown-6 has a total of carbons and oxygens .

Accepted Answer

The answer of A crown ether named 18-crown-6 has a...

Question 10

What is the name of the following compound?

Accepted Answer

A) 6-crown-12 
B) 12-crown-6 
C) 18-crown-12 
D) 18-crown-6 
A) 6-crown-12 
B) 12-crown-6 
C) 18-crown-12 
D) 18-crown-6

Question 11

What is the IUPAC name of the following compound?

Accepted Answer

The answer of What is the IUPAC name of the...

Question 12

Which of the following are thiols?

Accepted Answer

A) only 1 
B) only 1 and 4 
C) only 2 and 3 
D) 1, 2, 3 and 4 
A) only 1 
B) only 1 and 4 
C) only 2 and 3 
D) 1, 2, 3 and 4

Question 13

What are the major products obtained upon treatment of tert-butyl methyl ether with excess HBr?

Accepted Answer

A) tert-butyl alcohol and methanol 
B) tert-butyl bromide and methanol 
C) tert-butyl alcohol and bromomethane 
D) tert-butyl bromide and bromomethane 
A) tert-butyl alcohol and methanol 
B) tert-butyl bromide and methanol 
C) tert-butyl alcohol and bromomethane 
D) tert-butyl bromide and bromomethane

Question 14

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

Accepted Answer

A) only 1 
B) only 2 
C) only 3 
D) both 2 and 3 
A) only 1 
B) only 2 
C) only 3 
D) both 2 and 3

Question 15

What type of reactive intermediate is formed in the reaction of methyl propene with methanol in the presence of an acid catalyst to give methyl tert-butyl ether (MTBE)?

Accepted Answer

A) tert-butyl cation 
B) tert-butyl radical 
C) tert-butyl anion 
D) tert-butoxide 
A) tert-butyl cation 
B) tert-butyl radical 
C) tert-butyl anion 
D) tert-butoxide

Question 16

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

Accepted Answer

A) CH3OH, H2SO4 
B) NaOEt, followed by CH3OH 
C) NaOEt, followed by CH3I 
D) CH3OCH3 
A) CH3OH, H2SO4 
B) NaOEt, followed by CH3OH 
C) NaOEt, followed by CH3I 
D) CH3OCH3

Question 17

The correct name for the following substance is cis-1,2-dimethyloxirane.

Accepted Answer

A) True 
 B)False

Question 18

When cyclopentene is treated with peroxyacetic acid, the product that forms is _________________.

Accepted Answer

cyclopente

Question 19

The synthesis of dipropyl ether can be accomplished by reacting 1-propanol with H2SO4 at 140°C.

Accepted Answer

A) True 
 B)False

Question 20

Consider the following reaction.   The name of the aromatic product is __________________.

Accepted Answer

The answer of Consider the following reaction.   The...

Exam 11: Ethers, Epoxides, and Sulfides

What type of mechanism accounts for the cleavage of dibutyl ether upon treatment with HBr to give two moles of 1-bromobutane?

The following reaction is a valid means of preparing the given product.

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

Which of the following reactions provides tert-butyl methyl ether in a high yield?

The correct name for the following compound is 12-crown-4.

Consider the reaction below to answer the following questions. -The reaction shown here is an example of a ______________ ________synthesis

Consider the reaction below to answer the following questions. -The reaction shown here proceeds by a(n) _______ mechanism.

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

A crown ether named 18-crown-6 has a total of carbons and oxygens .

What is the name of the following compound?

What is the IUPAC name of the following compound?

Which of the following are thiols?

What are the major products obtained upon treatment of tert-butyl methyl ether with excess HBr?

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

What type of reactive intermediate is formed in the reaction of methyl propene with methanol in the presence of an acid catalyst to give methyl tert-butyl ether (MTBE)?

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

The correct name for the following substance is cis-1,2-dimethyloxirane.

When cyclopentene is treated with peroxyacetic acid, the product that forms is _________________.

The synthesis of dipropyl ether can be accomplished by reacting 1-propanol with H2SO4 at 140°C.

Consider the following reaction. The name of the aromatic product is __________________.

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

Consider the reaction below to answer the following questions. -The reaction shown here is an example of a ______ synthesis

The synthesis of dipropyl ether can be accomplished by reacting 1-propanol with H₂SO₄ at 140°C.