Question 1

What is the structure of benzophenone?

Accepted Answer

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

Question 2

What is the product of the following reaction?

Accepted Answer

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

Question 3

What is the cyclic hemiacetal product formed from intramolecular cyclization of the following hydroxy aldehyde?

Accepted Answer

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

Question 4

How would the following compounds be distinguishable using IR and 1H NMR spectroscopy?

Accepted Answer

A)  The 1H NMR spectrum of compound I will have two singlets. 
B)  The C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II. 
C)  The 1H NMR spectrum of compound II will have one triplet at a chemical shift of about 4. 
D)  The 1H NMR spectrum of compound I will have two singlets AND the C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II. 
A)  The 1H NMR spectrum of compound I will have two singlets. 
B)  The C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II. 
C)  The 1H NMR spectrum of compound II will have one triplet at a chemical shift of about 4. 
D)  The 1H NMR spectrum of compound I will have two singlets AND the C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II.

Question 5

Which of the following statements about carbohydrates is not true?

Accepted Answer

A)  Carbohydrates are sugars and starches. 
B)  Carbohydrates often contain acetals and hemiacetals. 
C)  In solution, glucose is in the cyclic acetal form only. 
D)  Glucose can form a cyclic hemiacetal from the acyclic polyhydroxy aldehyde. 
A)  Carbohydrates are sugars and starches. 
B)  Carbohydrates often contain acetals and hemiacetals. 
C)  In solution, glucose is in the cyclic acetal form only. 
D)  Glucose can form a cyclic hemiacetal from the acyclic polyhydroxy aldehyde.

What is the structure of benzophenone?

What is the product of the following reaction?

What is the cyclic hemiacetal product formed from intramolecular cyclization of the following hydroxy aldehyde?

How would the following compounds be distinguishable using IR and ¹H NMR spectroscopy?

Which of the following statements about carbohydrates is not true?

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols, Ethers and Epoxides

Alkenes

Alkynes

Oxidation and Reduction

Mass Spectrometry and Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Radical Reactions

Conjugation, Resonance, and Dienes

Benzene and Aromatic Compounds

Electrophilic Aromatic Substitution

Carboxylic Acids and the Acidity of the O-H Bond

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Carboxylic Acids and Derivatives

Substitution Reactions of Carbonyl Compounds at the Alpha-Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Lipids

Synthetic Polymers

Filters

Exam 21: Aldehydes and Ketones Nucleophilic Addition

What is the structure of benzophenone?

What is the product of the following reaction?

What is the cyclic hemiacetal product formed from intramolecular cyclization of the following hydroxy aldehyde?

How would the following compounds be distinguishable using IR and 1H NMR spectroscopy?

Which of the following statements about carbohydrates is not true?

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols, Ethers and Epoxides

Alkenes

Alkynes

Oxidation and Reduction

Mass Spectrometry and Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Radical Reactions

Conjugation, Resonance, and Dienes

Benzene and Aromatic Compounds

Electrophilic Aromatic Substitution

Carboxylic Acids and the Acidity of the O-H Bond

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Carboxylic Acids and Derivatives

Substitution Reactions of Carbonyl Compounds at the Alpha-Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Lipids

Synthetic Polymers

Filters

How would the following compounds be distinguishable using IR and ¹H NMR spectroscopy?