Question 1

Identify the best product for the following reaction.

Accepted Answer

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

Question 2

Give three different correct names for the structure.

Accepted Answer

2-amino-4-methylphen

Question 3

Why does benzene undergo electrophilic substitution rather than electrophilic addition?

Accepted Answer

When benzene undergoes electrophilic sub

Question 4

List the following compounds in order of decreasing basicity.

Accepted Answer

The answer of List the following compounds in order of...

Question 5

Which of the following substituent on the benzene ring is a strong deactivator?

Accepted Answer

A) -Cl 
B) -OCH3 
C) -COOH 
D) -NO2 
E) none of the above 
A) -Cl 
B) -OCH3 
C) -COOH 
D) -NO2 
E) none of the above

Question 6

Identify the condition(s)that will not work for the following reaction.You may choose more than one answer.

Accepted Answer

A)    
B)    
C)    
D) CH3CH2CH2Cl + AlCl3 
E) CH3CH2CH2OH,H2SO4 
A)    
B)    
C)    
D) CH3CH2CH2Cl + AlCl3 
E) CH3CH2CH2OH,H2SO4

Question 7

In the bromination of benzene using Br2 and FeBr3,is the intermediate carbocation aromatic? Explain.

Accepted Answer

No,the carbocation i

Question 8

Why must Friedel-Crafts acylation reactions be run with more than a single equivalent of AlCl3?

Accepted Answer

These reactions must be run wi

Question 9

Which of the following is not a correct statement concerning the Friedel-Crafts acylation of benzene?

Accepted Answer

A) An alkyl group substitutes for a hydrogen. 
B) The benzene ring attacks an acylium ion. 
C) The acylium ion is resonance stabilized. 
D) The acylium ion is often produced from an acyl chloride. 
E) More than one equivalent of Lewis acid must be used. 
A) An alkyl group substitutes for a hydrogen. 
B) The benzene ring attacks an acylium ion. 
C) The acylium ion is resonance stabilized. 
D) The acylium ion is often produced from an acyl chloride. 
E) More than one equivalent of Lewis acid must be used.

Question 10

Which of the following is the most acidic?

Accepted Answer

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

Question 11

Which of the following compounds reacts most rapidly with HNO3/H2SO4?

Accepted Answer

A) toluene 
B) anisole 
C) nitrobenzene 
D) benzonitrile 
E) fluorobenzene 
A) toluene 
B) anisole 
C) nitrobenzene 
D) benzonitrile 
E) fluorobenzene

Question 12

Identify the product(s)for the following reaction.

Accepted Answer

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

Question 13

Draw the three major resonance structures of the carbocation intermediate in the reaction of acetophenone with HNO3/H2SO4 to yield o-nitroacetophenone.Circle the resonance form which is less stable than the other two.

Accepted Answer

Question 14

Provide the major organic product(s)of the reaction below.

Accepted Answer

The answer of Provide the major organic product(s)of the reaction...

Question 15

Provide the major resonance structures of the ion which results when the most acidic hydrogen of cyclopentadiene is lost.

Accepted Answer

The answer of Provide the major resonance structures of the...

Question 16

Give the best product for the following reaction.

Accepted Answer

The answer of Give the best product for the following...

Question 17

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

Accepted Answer

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

Question 18

Which of the following fails to produce benzoic acid when heated in the presence of acidic sodium dichromate?

Accepted Answer

A) 1-phenylethanol 
B) 2-phenylethanol 
C) 2-phenylheptane 
D) 2-methyl-2-phenylheptane 
E) 1-phenylheptanol 
A) 1-phenylethanol 
B) 2-phenylethanol 
C) 2-phenylheptane 
D) 2-methyl-2-phenylheptane 
E) 1-phenylheptanol

Question 19

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

Accepted Answer

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

Question 20

What is the major organic product of the reaction shown below?

Accepted Answer

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

Exam 18: Reactions of Benzene and Substituted Benzenes

Identify the best product for the following reaction.

Give three different correct names for the structure.

Why does benzene undergo electrophilic substitution rather than electrophilic addition?

List the following compounds in order of decreasing basicity.

Which of the following substituent on the benzene ring is a strong deactivator?

Identify the condition(s)that will not work for the following reaction.You may choose more than one answer.

In the bromination of benzene using Br2 and FeBr3,is the intermediate carbocation aromatic? Explain.

Why must Friedel-Crafts acylation reactions be run with more than a single equivalent of AlCl3?

Which of the following is not a correct statement concerning the Friedel-Crafts acylation of benzene?

Which of the following is the most acidic?

Which of the following compounds reacts most rapidly with HNO3/H2SO4?

Identify the product(s)for the following reaction.

Draw the three major resonance structures of the carbocation intermediate in the reaction of acetophenone with HNO3/H2SO4 to yield o-nitroacetophenone.Circle the resonance form which is less stable than the other two.

Provide the major organic product(s)of the reaction below.

Provide the major resonance structures of the ion which results when the most acidic hydrogen of cyclopentadiene is lost.

Give the best product for the following reaction.

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

Which of the following fails to produce benzoic acid when heated in the presence of acidic sodium dichromate?

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

What is the major organic product of the reaction shown below?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Substitution and Elimination Reactions of Alkyl Halides

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

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 Α-Carbon

More About Amines - Reactions of Heterocylic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

In the bromination of benzene using Br₂ and FeBr₃,is the intermediate carbocation aromatic? Explain.

Why must Friedel-Crafts acylation reactions be run with more than a single equivalent of AlCl₃?

Which of the following compounds reacts most rapidly with HNO₃/H₂SO₄?

Draw the three major resonance structures of the carbocation intermediate in the reaction of acetophenone with HNO₃/H₂SO₄ to yield o-nitroacetophenone.Circle the resonance form which is less stable than the other two.