Question 1

Which set of reagents would best accomplish the following transformation?

Accepted Answer

A)  Br2 / HBr 
B)  Br2 / PBr3 
C)  Br2 / NaOH 
D)  PBr3 
A)  Br2 / HBr 
B)  Br2 / PBr3 
C)  Br2 / NaOH 
D)  PBr3

Question 2

Predict the major organic product of the following reaction:

Accepted Answer

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

Question 3

How would you perform the following transformation?

Accepted Answer

1) Br₂, HOA

Question 4

Provide the structure of the intramolecular aldol condensation/dehydration product that results when 2,6-heptanedione is heated in base.

Accepted Answer

The answer of Provide the structure of the intramolecular aldol...

Question 5

The α-halogenation of cyclohexanone ________.

Accepted Answer

A)  is catalyzed by base 
B)  is slowed by the presence of acid 
C)  requires one equivalent of base 
D)  requires one equivalent of acid 
E)  is catalyzed by the sodium halide salt 
A)  is catalyzed by base 
B)  is slowed by the presence of acid 
C)  requires one equivalent of base 
D)  requires one equivalent of acid 
E)  is catalyzed by the sodium halide salt

Question 6

Provide the sequence of steps necessary to synthesize the compound shown below from cyclohexene.

Accepted Answer

1) O₃ 2) S(

Question 7

When a ketone and its enol are in equilibrium, under most conditions the concentration of the enol is ________ the concentration of the ketone.

Accepted Answer

A)  slightly higher than 
B)  equal to 
C)  much higher than 
D)  much lower than 
E)  exactly half of 
A)  slightly higher than 
B)  equal to 
C)  much higher than 
D)  much lower than 
E)  exactly half of

Which set of reagents would best accomplish the following transformation?

Predict the major organic product of the following reaction:

How would you perform the following transformation?

Provide the structure of the intramolecular aldol condensation/dehydration product that results when 2,6-heptanedione is heated in base.

The α-halogenation of cyclohexanone ________.

Provide the sequence of steps necessary to synthesize the compound shown below from cyclohexene.

When a ketone and its enol are in equilibrium, under most conditions the concentration of the enol is ________ the concentration of the ketone.

Structure and Bonding

Acids and Bases; Functional Groups

Structure and Stereochemistry of Alkanes

The Study of Chemical Reactions

Stereochemistry

Alkyl Halides; Nucleophilic Substitution

Structure and Synthesis of Alkenes; Elimination

Reactions of Alkenes

Structure and Synthesis of Alcohols

Reactions of Alcohols

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Ethers, Epoxides, and Thioethers

Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy

Aromatic Compounds

Reactions of Aromatic Compounds

Ketones and Aldehydes

Amines

Carboxylic Acids

Carboxylic Acid Derivatives

Carbohydrates and Nucleic Acids

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Exam 22: Condensations and Alpha Substitutions of Carboxyl Compounds

Which set of reagents would best accomplish the following transformation?

Predict the major organic product of the following reaction:

How would you perform the following transformation?

Provide the structure of the intramolecular aldol condensation/dehydration product that results when 2,6-heptanedione is heated in base.

The α-halogenation of cyclohexanone ________.

Provide the sequence of steps necessary to synthesize the compound shown below from cyclohexene.

When a ketone and its enol are in equilibrium, under most conditions the concentration of the enol is ________ the concentration of the ketone.

Structure and Bonding

Acids and Bases; Functional Groups

Structure and Stereochemistry of Alkanes

The Study of Chemical Reactions

Stereochemistry

Alkyl Halides; Nucleophilic Substitution

Structure and Synthesis of Alkenes; Elimination

Reactions of Alkenes

Structure and Synthesis of Alcohols

Reactions of Alcohols

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Ethers, Epoxides, and Thioethers

Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy

Aromatic Compounds

Reactions of Aromatic Compounds

Ketones and Aldehydes

Amines

Carboxylic Acids

Carboxylic Acid Derivatives

Carbohydrates and Nucleic Acids

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters