Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

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

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

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

Question 6

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

Accepted Answer

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

Question 7

Which of the following concepts explains why tertiary carbocations are more stable than primary and secondary carbocations?

Accepted Answer

A)  electronegativity 
B)  resonance 
C)  hyperconjugation 
D)  the octet rule 
A)  electronegativity 
B)  resonance 
C)  hyperconjugation 
D)  the octet rule

Question 8

Which of the following alkenes undergoes the most exothermic hydrogenation upon treatment with H2/Pd?

Accepted Answer

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

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

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

Accepted Answer

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

Question 11

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

Accepted Answer

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

Question 12

Provide a neatly drawn mechanism for the following reaction, including curved arrows to show the movement of paris of electrons and the structure of reactive intermediates.   The reaction proceeds in two steps:
1. Addition of bromine to propene to afford a cyclic bromonium ion
2. Nucleophilic ring-opening addition of bromide anion

Accepted Answer

The answer of Provide a neatly drawn mechanism for the...

Question 13

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 14

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

Accepted Answer

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

Question 17

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 18

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 19

Provide a neatly drawn mechanism for the following reaction, including curved arrows to show the movement of paris of electrons and the structure of reactive intermediates.   The reaction proceeds in two steps:
1. Protonation of propene to form the 2-propyl cation
2. Nucleophilic addition of bromide anion to the 2-propyl cation

Accepted Answer

The answer of Provide a neatly drawn mechanism for the...

Question 20

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)...

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

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 major organic product obtained from the following reaction?

Which of the following concepts explains why tertiary carbocations are more stable than primary and secondary carbocations?

Which of the following alkenes undergoes the most exothermic hydrogenation upon treatment with H₂/Pd?

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

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

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

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

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

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

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

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

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

Filters

Exam 6: Reactions of Alkenes

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

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 major organic product obtained from the following reaction?

Which of the following concepts explains why tertiary carbocations are more stable than primary and secondary carbocations?

Which of the following alkenes undergoes the most exothermic hydrogenation upon treatment with H2/Pd?

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

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

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

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

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

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

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

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

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

Filters

Which of the following alkenes undergoes the most exothermic hydrogenation upon treatment with H₂/Pd?

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

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