Question 1

Instructions: Consider the reaction below to answer the following question(s).
  
-Refer to instructions.This reaction proceeds _____________ (faster or slower)than benzene.

Accepted Answer

The answer of Instructions: Consider the reaction below to answer...

Question 2

Which of the following sets of substituents are all deactivating groups in electrophilic aromatic substitution reactions?

Accepted Answer

A) Cl,CN,NO2 
B) Cl,NH2,CH3 
C) CH3,OCH3,COCH3 
D) CH3,NH2,OCH3 
A) Cl,CN,NO2 
B) Cl,NH2,CH3 
C) CH3,OCH3,COCH3 
D) CH3,NH2,OCH3

Question 3

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

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

Question 4

Which of the following does not correctly characterize a nucleophilic aromatic substitution reaction?

Accepted Answer

A) favored by electron-withdrawing groups 
B) carbanion intermediates 
C) -NO2 and -CHO activate the ring 
D) -NO2 and -CHO are o/p-directors 
E) an H atom is replaced on the ring 
A) favored by electron-withdrawing groups 
B) carbanion intermediates 
C) -NO2 and -CHO activate the ring 
D) -NO2 and -CHO are o/p-directors 
E) an H atom is replaced on the ring

Question 5

Which of the following represents the energy levels of the molecular orbitals of benzene?

Accepted Answer

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

Question 6

What is the IUPAC name of the following compound?

Accepted Answer

A) 3-bromo-4-nitrobenzaldehyde 
B) 2-bromo-1-nitro-4-benzoic acid 
C) 3-bromo-4-nitroacetophenone 
D) 3-bromo-4-nitrobenzoic acid 
A) 3-bromo-4-nitrobenzaldehyde 
B) 2-bromo-1-nitro-4-benzoic acid 
C) 3-bromo-4-nitroacetophenone 
D) 3-bromo-4-nitrobenzoic acid

Question 7

Which of the following compounds is aromatic?

Accepted Answer

A) ethane 
B) cyclobuta-1,3-diene 
C) benzene 
D) cycloocta-1,3,5,7-tetraene 
A) ethane 
B) cyclobuta-1,3-diene 
C) benzene 
D) cycloocta-1,3,5,7-tetraene

Question 8

Which of the following sets of substituents are all o/p-directing in electrophilic aromatic substitution reactions?

Accepted Answer

A) Cl,CH3,CN 
B) Br,OH,COCH3 
C) Cl,OH,CH3 
D) CN,NO2,COCH3 
A) Cl,CH3,CN 
B) Br,OH,COCH3 
C) Cl,OH,CH3 
D) CN,NO2,COCH3

Question 9

Consider the following sequence of reactions:
a) What is the major organic product obtained from the sequence of reactions?
a.  
b.  
c.  
d.

b) If KMnO4 had been replaced by Na2Cr2O7,what would be the final product of the reaction?

Accepted Answer

a) c
b) No change, t

Question 10

How many p electrons are present in the following heterocycle?

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 8 
E) 10 
A) 2 
B) 4 
C) 6 
D) 8 
E) 10

Question 11

Predict the major product of the following reaction:

Accepted Answer

The answer of Predict the major product of the following...

Question 12

Instructions: Consider the reaction below to answer the following question(s).
 
-Refer to instructions. Draw the structure of product D.

Accepted Answer

The answer of Instructions: Consider the reaction below to answer...

Question 13

Which of the following would be an o/p-director in a nucleophilic aromatic substitution reaction?

Accepted Answer

A) -CH3 
B) -OH 
C) -F 
D) -CN 
E) all of these 
A) -CH3 
B) -OH 
C) -F 
D) -CN 
E) all of these

Question 14

Which of the following undergoes the most rapid bromination upon treatment with Br2/FeBr3?

Accepted Answer

A) benzene 
B) nitrobenzene 
C) bromobenzene 
D) benzaldehyde 
A) benzene 
B) nitrobenzene 
C) bromobenzene 
D) benzaldehyde

Question 15

What is the IUPAC name of the following compound?

Accepted Answer

A) 2,4-dibromotoluene 
B) 2,4-dibromophenol 
C) 2,4-dibromoaniline 
D) 4,6-dibromophenol 
A) 2,4-dibromotoluene 
B) 2,4-dibromophenol 
C) 2,4-dibromoaniline 
D) 4,6-dibromophenol

Question 16

Which of the following undergoes the most rapid acylation upon treatment with acetyl chloride and AlCl3?

Accepted Answer

A) benzene 
B) toluene 
C) chlorobenzene 
D) 1,4-dichlorobenzene 
A) benzene 
B) toluene 
C) chlorobenzene 
D) 1,4-dichlorobenzene

Instructions: Consider the reaction below to answer the following question(s). -Refer to instructions.This reaction proceeds _____________ (faster or slower)than benzene.

Which of the following sets of substituents are all deactivating groups in electrophilic aromatic substitution reactions?

What is the major organic product obtained from the following sequence of reactions?

Which of the following does not correctly characterize a nucleophilic aromatic substitution reaction?

Which of the following represents the energy levels of the molecular orbitals of benzene?

What is the IUPAC name of the following compound?

Which of the following compounds is aromatic?

Which of the following sets of substituents are all o/p-directing in electrophilic aromatic substitution reactions?

Consider the following sequence of reactions: a) What is the major organic product obtained from the sequence of reactions? a. b. c. d. b) If KMnO4 had been replaced by Na₂Cr₂O₇,what would be the final product of the reaction?

How many p electrons are present in the following heterocycle?

Predict the major product of the following reaction:

Instructions: Consider the reaction below to answer the following question(s). -Refer to instructions. Draw the structure of product D.

Which of the following would be an o/p-director in a nucleophilic aromatic substitution reaction?

Which of the following undergoes the most rapid bromination upon treatment with Br₂/FeBr₃?

What is the IUPAC name of the following compound?

Which of the following undergoes the most rapid acylation upon treatment with acetyl chloride and AlCl₃?

Structure and Bonding

Polar Covalent Bonds: Acids and Bases

Organic Compounds: Alkanes and Their Stereochemistry

Organic Compounds: Cycloalkanes and Their Stereochemistry

Stereochemistry at Tetrahedral Centers

An Overview of Organic Reactions

Alkenes and Alkynes

Reactions of Alkenes and Alkynes

Structure Determination: Mass Spectrometry,infrared Spectroscopy,and Ultraviolet Spectroscopy

Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Organohalides: Nucleophilic Substitutions and Eliminations

Alcohols,phenols,and Thiols: Ethers and Sulfides

Aldehydes and Ketones: Nucleophilic Addition Reactions

Carboxylic Acids and Nitriles

Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Carbonyl Alpha-Substitution and Condensation Reactions

Amines and Heterocycles

Biomolecules: Amino Acids,peptides,and Proteins

Amino Acid Metabolism

Biomolecules: Carbohydrates

Carbohydrate Metabolism

Biomolecules: Lipids and Their Metabolism

Biomolecules: Nucleic Acids and Their Metabolism

Filters

Exam 9: Aromatic Compounds

Instructions: Consider the reaction below to answer the following question(s). -Refer to instructions.This reaction proceeds _____________ (faster or slower)than benzene.

Which of the following sets of substituents are all deactivating groups in electrophilic aromatic substitution reactions?

What is the major organic product obtained from the following sequence of reactions?

Which of the following does not correctly characterize a nucleophilic aromatic substitution reaction?

Which of the following represents the energy levels of the molecular orbitals of benzene?

What is the IUPAC name of the following compound?

Which of the following compounds is aromatic?

Which of the following sets of substituents are all o/p-directing in electrophilic aromatic substitution reactions?

Consider the following sequence of reactions: a) What is the major organic product obtained from the sequence of reactions? a. b. c. d. b) If KMnO4 had been replaced by Na2Cr2O7,what would be the final product of the reaction?

How many p electrons are present in the following heterocycle?

Predict the major product of the following reaction:

Instructions: Consider the reaction below to answer the following question(s). -Refer to instructions. Draw the structure of product D.

Which of the following would be an o/p-director in a nucleophilic aromatic substitution reaction?

Which of the following undergoes the most rapid bromination upon treatment with Br2/FeBr3?

What is the IUPAC name of the following compound?

Which of the following undergoes the most rapid acylation upon treatment with acetyl chloride and AlCl3?

Structure and Bonding

Polar Covalent Bonds: Acids and Bases

Organic Compounds: Alkanes and Their Stereochemistry

Organic Compounds: Cycloalkanes and Their Stereochemistry

Stereochemistry at Tetrahedral Centers

An Overview of Organic Reactions

Alkenes and Alkynes

Reactions of Alkenes and Alkynes

Structure Determination: Mass Spectrometry,infrared Spectroscopy,and Ultraviolet Spectroscopy

Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Organohalides: Nucleophilic Substitutions and Eliminations

Alcohols,phenols,and Thiols: Ethers and Sulfides

Aldehydes and Ketones: Nucleophilic Addition Reactions

Carboxylic Acids and Nitriles

Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Carbonyl Alpha-Substitution and Condensation Reactions

Amines and Heterocycles

Biomolecules: Amino Acids,peptides,and Proteins

Amino Acid Metabolism

Biomolecules: Carbohydrates

Carbohydrate Metabolism

Biomolecules: Lipids and Their Metabolism

Biomolecules: Nucleic Acids and Their Metabolism

Filters

Consider the following sequence of reactions: a) What is the major organic product obtained from the sequence of reactions? a. b. c. d. b) If KMnO4 had been replaced by Na₂Cr₂O₇,what would be the final product of the reaction?

Which of the following undergoes the most rapid bromination upon treatment with Br₂/FeBr₃?

Which of the following undergoes the most rapid acylation upon treatment with acetyl chloride and AlCl₃?