Question 1

Predict the major product for the following reaction.

Accepted Answer

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

Question 2

Predict the major product for the following reaction.

Accepted Answer

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

Question 3

Predict the structure of the major 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 4

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. Cl₂/ FeC

Question 5

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. Cl₂/FeCl

Question 6

Starting with benzene propose a stepwise synthesis for the following compound.

Accepted Answer

The answer of Starting with benzene propose a stepwise synthesis...

Question 7

Which of the following reagents are used to carry out iodination of benzene?

Accepted Answer

A)  I2/CCl4 
B)  I2/FeCl3 
C)  I2/AlCl3 
D)  I2/CuCl2 
E)  NaI/Acetone 
A)  I2/CCl4 
B)  I2/FeCl3 
C)  I2/AlCl3 
D)  I2/CuCl2 
E)  NaI/Acetone

Question 8

Which one of the following compounds will be least reactive towards Friedel-Crafts reaction?

Accepted Answer

A)  nitrobenzene 
B)  anisole 
C)  phenol 
D)  benzene 
E)  chlorobenzene 
A)  nitrobenzene 
B)  anisole 
C)  phenol 
D)  benzene 
E)  chlorobenzene

Question 9

Provide all resonance structures of the sigma complex when aniline reacts with an electrophile (E+) to yield the para-substituted product.

Accepted Answer

Question 10

The electrophile in the nitration reaction of benzene is:

Accepted Answer

A)  NO2+ 
B)  HNO3 
C)  NO3+ 
D)  H2SO4 
E)  NO2 
A)  NO2+ 
B)  HNO3 
C)  NO3+ 
D)  H2SO4 
E)  NO2

Question 11

Predict the major 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 12

Which of the following reactions would produce isopropylbenzene as the major product?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  all of these 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  all of these

Question 13

The electrophilic bromination or chlorination of benzene requires ______ along with the halogen.

Accepted Answer

A)  UV light 
B)  a bronsted base 
C)  a Lewis base 
D)  a Lewis acid 
E)  none of these 
A)  UV light 
B)  a bronsted base 
C)  a Lewis base 
D)  a Lewis acid 
E)  none of these

Question 14

Predict the product(s) for the following reaction.

Accepted Answer

The answer of Predict the product(s) for the following reaction....

Question 15

Predict the structure of the 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 16

Which of the following halides cannot be used for Friedel-Crafts alkylation reaction?

Accepted Answer

A)  bromobenzene 
B)  vinylchloride 
C)  2-chloropropane 
D)  chloroethane 
E)  both A & B 
A)  bromobenzene 
B)  vinylchloride 
C)  2-chloropropane 
D)  chloroethane 
E)  both A & B

Question 17

Predict the product for the following reaction.

Accepted Answer

The answer of Predict the product for the following reaction....

Question 18

Which of the following reagents are used to carry out chlorination of benzene?

Accepted Answer

A)  Cl2/CCl4 
B)  Cl2/FeCl3 
C)  Cl2/AlCl3 
D)  NaCl/Fe 
E)  both B & C 
A)  Cl2/CCl4 
B)  Cl2/FeCl3 
C)  Cl2/AlCl3 
D)  NaCl/Fe 
E)  both B & C

Question 19

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

The answer of Provide the reagents necessary to carry out...

Question 20

Which of the following compounds will yield ortho substituted compound as the major product for nitation reaction?

Accepted Answer

A)  toluene 
B)  ethylbenzene 
C)  cumene 
D)  t-butylbenzene 
E)  none of these 
A)  toluene 
B)  ethylbenzene 
C)  cumene 
D)  t-butylbenzene 
E)  none of these

Exam 19: Aromatic Substitution Reactions

Predict the major product for the following reaction.

Predict the major product for the following reaction.

Predict the structure of the major product for the following reaction.

Provide the reagents necessary to carry out the following conversion.

Provide the reagents necessary to carry out the following conversion.

Starting with benzene propose a stepwise synthesis for the following compound.

Which of the following reagents are used to carry out iodination of benzene?

Which one of the following compounds will be least reactive towards Friedel-Crafts reaction?

Provide all resonance structures of the sigma complex when aniline reacts with an electrophile (E+) to yield the para-substituted product.

The electrophile in the nitration reaction of benzene is:

Predict the major product for the following reaction.

Which of the following reactions would produce isopropylbenzene as the major product?

The electrophilic bromination or chlorination of benzene requires ______ along with the halogen.

Predict the product(s) for the following reaction.

Predict the structure of the product for the following reaction.

Which of the following halides cannot be used for Friedel-Crafts alkylation reaction?

Predict the product for the following reaction.

Which of the following reagents are used to carry out chlorination of benzene?

Provide the reagents necessary to carry out the following conversion.

Which of the following compounds will yield ortho substituted compound as the major product for nitation reaction?

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Substitution Reactions

Alkenes: Structure and Preparation Via Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Provide all resonance structures of the sigma complex when aniline reacts with an electrophile (E⁺) to yield the para-substituted product.