Question 1

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 2

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 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 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 5

Which of the following statements is not true?

Accepted Answer

A)  Crown ethers complex alkali metal ions by donation of lone pairs from the oxygen atoms to the metal cation. 
B)  Metal ion complexes of crown ethers dissolve in nonpolar aprotic organic solvents 
C)  Addition of 18-crown-6 to a solution of benzyl bromide and potassium cyanide in a nonpolar solvent increases the rate of nucleophilic substitution. 
D)  18-Crown-6 is a planar molecule 
A)  Crown ethers complex alkali metal ions by donation of lone pairs from the oxygen atoms to the metal cation. 
B)  Metal ion complexes of crown ethers dissolve in nonpolar aprotic organic solvents 
C)  Addition of 18-crown-6 to a solution of benzyl bromide and potassium cyanide in a nonpolar solvent increases the rate of nucleophilic substitution. 
D)  18-Crown-6 is a planar molecule

Question 6

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 7

What is the IUPAC name of the following compound?

Accepted Answer

A)  cis-1,4-anisole 
B)  cis-4-methoxyanisole 
C)  cis-1,4-dimethoxycyclohexane 
D)  para-dianisole 
A)  cis-1,4-anisole 
B)  cis-4-methoxyanisole 
C)  cis-1,4-dimethoxycyclohexane 
D)  para-dianisole

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

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

Question 10

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 11

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 12

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 13

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 14

Which of the following reactions provides anisole (PhOCH3) in a high yield?

Accepted Answer

A)  phenol + sodium methoxide 
B)  bromobenzene + bromomethane 
C)  sodium phenoxide (PhONa) + bromomethane 
D)  bromobenzene + sodium methoxide 
A)  phenol + sodium methoxide 
B)  bromobenzene + bromomethane 
C)  sodium phenoxide (PhONa) + bromomethane 
D)  bromobenzene + sodium methoxide

Question 15

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

Accepted Answer

The answer of What is the major organic product obtained...

Question 16

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 17

What is the IUPAC name of the following compound?

Accepted Answer

1-methoxyc

Question 18

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

Accepted Answer

The answer of What is the major organic product obtained...

Question 19

What is the IUPAC name of the following compound?

Accepted Answer

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

Question 20

What is the IUPAC name of the following compound?

Accepted Answer

A)  ethyl isopropyl thiol 
B)  2-ethylsulfanylpropane 
C)  ethyl isopropyl disulfide 
D)  isopropylsufanylethane 
A)  ethyl isopropyl thiol 
B)  2-ethylsulfanylpropane 
C)  ethyl isopropyl disulfide 
D)  isopropylsufanylethane

Exam 11: Ethers, Epoxides, and Sulfides

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

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

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

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

Which of the following statements is not true?

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

What is the IUPAC name of the following compound?

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

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

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?

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 reactions provides anisole (PhOCH3) in a high yield?

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

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

What is the IUPAC name of the following compound?

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

What is the IUPAC name of the following compound?

What is the IUPAC name of the following compound?

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

Filters

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

Which of the following reactions provides anisole (PhOCH₃) in a high yield?