Question 1

Give the major organic product for the reaction.

Accepted Answer

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

Question 2

Draw the important resonance structure of:

Accepted Answer

The answer of Draw the important resonance structure of: ...

Question 3

Which of the following is the strongest acid?

Accepted Answer

A) CH3CH2OH 
B) CH3OCH3 
C)    
D)    
E)    
A) CH3CH2OH 
B) CH3OCH3 
C)    
D)    
E)

Question 4

Which of the following statements is incorrect about benzene?

Accepted Answer

A) All of the carbon atoms are sp hybridized. 
B) It has delocalized electrons. 
C) The carbon-carbon bond lengths are all the same. 
D) The carbon-hydrogen bond lengths are all the same. 
E) All twelve atoms lie in the same plane. 
A) All of the carbon atoms are sp hybridized. 
B) It has delocalized electrons. 
C) The carbon-carbon bond lengths are all the same. 
D) The carbon-hydrogen bond lengths are all the same. 
E) All twelve atoms lie in the same plane.

Question 5

Draw the important resonance structures of:
H2
      N:

Accepted Answer

Question 6

Draw all major resonance contributors of the species below.

Accepted Answer

The answer of Draw all major resonance contributors of the...

Question 7

Which of the following is the weakest base?

Accepted Answer

A) phenolate ion (C6H5O-) 
B) ethoxide ion (CH3CH2O-) 
C) hydroxide ion (HO-) 
D) acetate ion (CH3CO2-) 
E) methoxide ion (CH3O-) 
A) phenolate ion (C6H5O-) 
B) ethoxide ion (CH3CH2O-) 
C) hydroxide ion (HO-) 
D) acetate ion (CH3CO2-) 
E) methoxide ion (CH3O-)

Question 8

Which of the following is aromatic?

Accepted Answer

A) cyclopentadienyl cation 
B) 1,3-cyclohexadiene 
C) cyclobutenyl anion 
D) 1,3,5-hexatriene 
E) cycloheptatrienyl cation 
A) cyclopentadienyl cation 
B) 1,3-cyclohexadiene 
C) cyclobutenyl anion 
D) 1,3,5-hexatriene 
E) cycloheptatrienyl cation

Question 9

Give the major organic product for the reaction.

Accepted Answer

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

Question 10

Draw the HOMO of 1,3,5-hexatriene.

Accepted Answer

The answer of Draw the HOMO of 1,3,5-hexatriene....

Question 11

Provide the major organic product.

Accepted Answer

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

Question 12

Draw the LUMO of 1,3,5-hexatriene.

Accepted Answer

The answer of Draw the LUMO of 1,3,5-hexatriene....

Question 13

Draw all major resonance contributors of the species below.

Accepted Answer

The answer of Draw all major resonance contributors of the...

Question 14

Identify the most stable structure(s).

Accepted Answer

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

Question 15

Provide a diagram which depicts the relative energies of the π molecular orbitals of benzene. Show which molecular orbitals are filled in benzene's ground state.

Accepted Answer

The answer of Provide a diagram which depicts the relative...

Question 16

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

Accepted Answer

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

Question 17

Which species is represented by the following distribution of π electrons in the molecular orbitals and energy levels diagram?

Accepted Answer

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

Question 18

Give the major organic product for the reaction.

Accepted Answer

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

Question 19

In which of the following does resonance delocalization of electron density not play a role?

Accepted Answer

A) allyl cation 
B) benzyl anion 
C) CO32- 
D) O3 
E) cyclohexyl radical 
A) allyl cation 
B) benzyl anion 
C) CO32- 
D) O3 
E) cyclohexyl radical

Question 20

Classify the compound below as aromatic, antiaromatic, or nonaromatic. Assume planarity of the π network.

Accepted Answer

The answer of Classify the compound below as aromatic, antiaromatic,...

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

Give the major organic product for the reaction.

Draw the important resonance structure of:

Which of the following is the strongest acid?

Which of the following statements is incorrect about benzene?

Draw the important resonance structures of: H2 N:

Draw all major resonance contributors of the species below.

Which of the following is the weakest base?

Which of the following is aromatic?

Give the major organic product for the reaction.

Draw the HOMO of 1,3,5-hexatriene.

Provide the major organic product.

Draw the LUMO of 1,3,5-hexatriene.

Draw all major resonance contributors of the species below.

Identify the most stable structure(s).

Provide a diagram which depicts the relative energies of the π molecular orbitals of benzene. Show which molecular orbitals are filled in benzene's ground state.

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

Which species is represented by the following distribution of π electrons in the molecular orbitals and energy levels diagram?

Give the major organic product for the reaction.

In which of the following does resonance delocalization of electron density not play a role?

Classify the compound below as aromatic, antiaromatic, or nonaromatic. Assume planarity of the π network.

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

Draw the important resonance structures of: H₂ N: