Question 1

What type of orbitals overlap to provide stability to the tert-butyl carbocation by hyperconjugation?

Accepted Answer

A)  3° C 2p atomic orbital + 3° C sp2 atomic orbital 
B)  3° C 2p atomic orbital + methyl C−H σ molecular orbital 
C)  3° C sp2 atomic orbital + methyl C−H σ molecular orbital 
D)  3° C 2p atomic orbital + methyl C 2s atomic orbital 
A)  3° C 2p atomic orbital + 3° C sp2 atomic orbital 
B)  3° C 2p atomic orbital + methyl C−H σ molecular orbital 
C)  3° C sp2 atomic orbital + methyl C−H σ molecular orbital 
D)  3° C 2p atomic orbital + methyl C 2s atomic orbital

Question 2

Consider the following reaction.   The product would be

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

The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction.  
-Product _____ is the non-Markovnikov product.

Accepted Answer

The answer of The reaction of methylpropene with HBr in...

Question 5

Identify the correct statement for the given reaction given. ​

Accepted Answer

A)  I and IV are nucleophiles. 
B)  Only I is a nucleophile. 
C)  II and IV are electrophiles. 
D)  Only II is an electrophile. 
A)  I and IV are nucleophiles. 
B)  Only I is a nucleophile. 
C)  II and IV are electrophiles. 
D)  Only II is an electrophile.

Question 6

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 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

Markovnikov addition of HCl to propene involves the formation of a secondary carbocation.

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

Provide the structure of the key intermediate in the following reaction?

Accepted Answer

The answer of Provide the structure of the key intermediate...

Question 11

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

Accepted Answer

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

Question 12

The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction.  
-Product _____would be formed via a primary carbocation.

Accepted Answer

The answer of The reaction of methylpropene with HBr in...

Question 13

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 14

Upon ozonolysis, _____________ will produce only acetone, (CH3)2C=O. (Enter an IUPAC name.)

Accepted Answer

2,3-dimeth

Question 15

The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction.  
-Product _____would be the major product.

Accepted Answer

The answer of The reaction of methylpropene with HBr in...

Question 16

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

Question 17

Provide a neatly drawn mechanism for the following reaction, including curved arrows to show the movement of pairs of electrons and the structure of reactive intermediates.

Accepted Answer

The reaction proceeds in two s

Question 18

The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction.  
-Product _____ would have the lowest activation energy required to form the intermediate in the mechanism.

Accepted Answer

The answer of The reaction of methylpropene with HBr in...

Question 19

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 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 type of orbitals overlap to provide stability to the tert-butyl carbocation by hyperconjugation?

Consider the following reaction. The product would be

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

The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction. -Product _____ is the non-Markovnikov product.

Identify the correct statement for the given reaction given. ​

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

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

Markovnikov addition of HCl to propene involves the formation of a secondary carbocation.

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

Provide the structure of the key intermediate in the following reaction?

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

The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction. -Product _____would be formed via a primary carbocation.

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

Upon ozonolysis, _____________ will produce only acetone, (CH3)2C=O. (Enter an IUPAC name.)

The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction. -Product _____would be the major product.

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

Provide a neatly drawn mechanism for the following reaction, including curved arrows to show the movement of pairs of electrons and the structure of reactive intermediates.

The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction. -Product _____ would have the lowest activation energy required to form the intermediate in the mechanism.

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

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 the correct statement for the given reaction given.

Upon ozonolysis, _____________ will produce only acetone, (CH₃)₂C=O. (Enter an IUPAC name.)