Question 1

Provide the major organic product.

Accepted Answer

The answer of Provide the major organic product.  ...

Question 2

When 1, 3-butadiene reacts with CH2     CHCN, which of the terms below best describes the product mixture?

Accepted Answer

A) a mixture of two diastereomers 
B) a single compound 
C) a racemic mixture 
D) optically active 
E) a mixture of bicyclic compounds 
A) a mixture of two diastereomers 
B) a single compound 
C) a racemic mixture 
D) optically active 
E) a mixture of bicyclic compounds

Question 3

The Diels-Alder reaction is a concerted reaction; this means that ________.

Accepted Answer

A) a mixture of endo and exo products is formed 
B) all bond making and bond breaking occurs simultaneously 
C) the products contain rings 
D) the reaction follows Markovnikov's rule 
E) the reaction is highly endothermic 
A) a mixture of endo and exo products is formed 
B) all bond making and bond breaking occurs simultaneously 
C) the products contain rings 
D) the reaction follows Markovnikov's rule 
E) the reaction is highly endothermic

Question 4

Which of the following compounds is aromatic?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 5

What diene and dienophile should be used to synthesize the compound below and its enantiomer?

Accepted Answer

The answer of What diene and dienophile should be used...

Question 6

Classify cyclopentadienyl cation as aromatic, antiaromatic, or nonaromatic. Assume planarity of the π network.

Accepted Answer

The answer of Classify cyclopentadienyl cation as aromatic, antiaromatic, or...

Question 7

In the addition of HBr to conjugated dienes, is the product which results from 1,2-addition or that which results from 1,4-addition typically the product of kinetic control?

Accepted Answer

The product of kinet

Question 8

What is/are the product(s)from the following reaction?

Accepted Answer

A) I and II 
B) I and III 
C) I and IV 
D) II and III 
E) II and IV 
A) I and II 
B) I and III 
C) I and IV 
D) II and III 
E) II and IV

Question 9

What diene and dienophile would react to give the product below?

Accepted Answer

The answer of What diene and dienophile would react to...

Question 10

What compound results from the 1, 4-addition of one equivalent of HBr to 1, 3-butadiene?

Accepted Answer

A) 1-bromo-1-butene 
B) 2-bromo-2-butene 
C) 4-bromo-1-butene 
D) 3-bromo-1-butene 
E) 1-bromo-2-butene 
A) 1-bromo-1-butene 
B) 2-bromo-2-butene 
C) 4-bromo-1-butene 
D) 3-bromo-1-butene 
E) 1-bromo-2-butene

Question 11

One of the following compounds is aromatic and the other is antiaromatic. Which is which?

Accepted Answer

a)is aroma

Question 12

What is suggested by the fact that benzene's molar heat of hydrogenation is 36 kcal less than three times the molar heat of hydrogenation of cyclohexene?

Accepted Answer

This suggests that t

Question 13

Draw the important resonance contributing forms for the structure shown below.

Accepted Answer

The answer of Draw the important resonance contributing forms for...

Question 14

Give the major organic product for the reaction.

Accepted Answer

A)    
B)    
C)    
D)    
E) no reaction 
A)    
B)    
C)    
D)    
E) no reaction

Question 15

Identify the correctly drawn arrows.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 16

Mark the most electron-rich carbon atom in the compound below with an asterisk.

Accepted Answer

The answer of Mark the most electron-rich carbon atom in...

Question 17

Provide the structure of the major organic product in the following reaction.

Accepted Answer

@#IMG-DLM&_TB1830_00

Question 18

Which of the following is/are the main product(s)of the following reaction? CH2    CH-CH   CH2 
    ?

Accepted Answer

A)    
B)    
C)    
D) A and B 
E) A and C 
A)    
B)    
C)    
D) A and B 
E) A and C

Question 19

What is the kinetic product for the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 20

Is the following molecule aromatic? Explain.

Accepted Answer

Yes, it is aromatic

Exam 8: Electron Delocalization, Resonance, and Aromaticity More About Molecular Orbital Theory

Provide the major organic product.

When 1, 3-butadiene reacts with CH2 CHCN, which of the terms below best describes the product mixture?

The Diels-Alder reaction is a concerted reaction; this means that ________.

Which of the following compounds is aromatic?

What diene and dienophile should be used to synthesize the compound below and its enantiomer?

Classify cyclopentadienyl cation as aromatic, antiaromatic, or nonaromatic. Assume planarity of the π network.

In the addition of HBr to conjugated dienes, is the product which results from 1,2-addition or that which results from 1,4-addition typically the product of kinetic control?

What is/are the product(s)from the following reaction?

What diene and dienophile would react to give the product below?

What compound results from the 1, 4-addition of one equivalent of HBr to 1, 3-butadiene?

One of the following compounds is aromatic and the other is antiaromatic. Which is which?

What is suggested by the fact that benzene's molar heat of hydrogenation is 36 kcal less than three times the molar heat of hydrogenation of cyclohexene?

Draw the important resonance contributing forms for the structure shown below.

Give the major organic product for the reaction.

Identify the correctly drawn arrows.

Mark the most electron-rich carbon atom in the compound below with an asterisk.

Provide the structure of the major organic product in the following reaction.

Which of the following is/are the main product(s)of the following reaction? CH2 CH-CH CH2 ?

What is the kinetic product for the following reaction?

Is the following molecule aromatic? Explain.

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds

Isomers: the Arrangement of Atoms in Space

Alkenes Thermodynamics and Kinetics

Reactions of Alkenes

Reactions of Alkynes Introduction to Multistep Synthesis

Substitution Reactions of Alkyl Halides

Elimination Reactions of Alkyl Halides Competition Between Substitution and Elimination

Reactions of Alcohols, Ethers, Epoxides, and Sulfur-Containing Compounds

Organometallic Compounds

Reactions of Alkanes, Radicals

Mass Spectrometry, Infrared Spectroscopy, and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Alpha Carbon of Carbonyl Compounds

Reactions of Benzene and Substituted Benzenes

More About Amines Heterocylic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Catalysis

The Organic Mechanisms of the Coenzymes

The Chemistry of Metabolism

Nucleosides, Nucleotides, and Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

When 1, 3-butadiene reacts with CH₂ CHCN, which of the terms below best describes the product mixture?

Which of the following is/are the main product(s)of the following reaction? CH₂ CH-CH CH₂ ?