Question 1

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

Accepted Answer

A)  Br2 
B)  HBr 
C)  Br2, H2O 
D)  N-bromosuccinimide 
A)  Br2 
B)  HBr 
C)  Br2, H2O 
D)  N-bromosuccinimide C

Question 2

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 B

Question 3

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

Accepted Answer

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

Question 4

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 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

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

Accepted Answer

(i) BH₃; (i

Question 7

Identify "X" and "Y" in the following reaction. ​

Accepted Answer

A)  X is 1-methyl-3-cyclohexene, and Y is OsO4. 
B)  X is 1-methylcyclopentene, and Y is H2SO4/H2O. 
C)  X is 1-methylcyclohexene, and Y is O3/(CH3)2S. 
D)  X is cyclopentane, and Y is OsO4. 
A)  X is 1-methyl-3-cyclohexene, and Y is OsO4. 
B)  X is 1-methylcyclopentene, and Y is H2SO4/H2O. 
C)  X is 1-methylcyclohexene, and Y is O3/(CH3)2S. 
D)  X is cyclopentane, and Y is OsO4.

Question 8

The reagents that could effect the following conversion are H2 and Ni.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following alkenes is most likely to undergo rearrangement upon acid-catalyzed hydration (treatment with aqueous H2SO4)?

Accepted Answer

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

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

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 12

Consider the following reactions.   Pathway ___ involves a 1,2-shift.

Accepted Answer

The answer of Consider the following reactions.   Pathway...

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

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 15

Which of the following reactions of alkenes takes place with syn stereospecificity?

Accepted Answer

A)  addition of bromine (treatment with Br2) 
B)  hydrogenation (treatment with H2/Pt) 
C)  addition of HBr (treatment with HBr) 
D)  acid-catalyzed hydration (treatment with aqueous H2SO4) 
A)  addition of bromine (treatment with Br2) 
B)  hydrogenation (treatment with H2/Pt) 
C)  addition of HBr (treatment with HBr) 
D)  acid-catalyzed hydration (treatment with aqueous H2SO4)

Question 16

Consider the following reaction.   The mechanism for this reaction is shown below.

Accepted Answer

A) True 
 B)False

Question 17

What type of reaction mechanism accounts for the reaction of an alkene with HBr to give an alkyl bromide?

Accepted Answer

A)  nucleophilic addition 
B)  electrophilic addition 
C)  radical addition 
D)  elimination 
A)  nucleophilic addition 
B)  electrophilic addition 
C)  radical addition 
D)  elimination

Question 18

What is the correct order of stability of the following carbocations (more stable > less stable)?

Accepted Answer

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

Question 19

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

Accepted Answer

The answer of What is the best choice of reagent(s)...

Question 20

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

Accepted Answer

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

Exam 6: Reactions of Alkenes

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

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 major organic product obtained from the following reaction?

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

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

Identify "X" and "Y" in the following reaction. ​

The reagents that could effect the following conversion are H2 and Ni.

Which of the following alkenes is most likely to undergo rearrangement upon acid-catalyzed hydration (treatment with aqueous H2SO4)?

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

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

Consider the following reactions. Pathway ___ involves a 1,2-shift.

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 of alkenes takes place with syn stereospecificity?

Consider the following reaction. The mechanism for this reaction is shown below.

What type of reaction mechanism accounts for the reaction of an alkene with HBr to give an alkyl bromide?

What is the correct order of stability of the following carbocations (more stable > less stable)?

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

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

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

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

Filters

Identify "X" and "Y" in the following reaction.

The reagents that could effect the following conversion are H₂ and Ni.

Which of the following alkenes is most likely to undergo rearrangement upon acid-catalyzed hydration (treatment with aqueous H₂SO₄)?