Question 1

What product is formed when the following acetal is hydrolyzed with aqueous acid?

Accepted Answer

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

Question 2

Cyclic acetals are used as protecting groups for ketones or aldehydes because they are inert to all of the following reagents except

Accepted Answer

A) aqueous acid. 
B) aqueous base. 
C) oxidizing reagents. 
D) reducing reagents. 
A) aqueous acid. 
B) aqueous base. 
C) oxidizing reagents. 
D) reducing reagents.

Question 3

What is the IUPAC for the following compound?

Accepted Answer

A) 1-Formyl-2-nitropropane 
B) 1-Formyl-3-nitrobutane 
C) 2-Nitrobutanal 
D) 3-Nitrobutanal 
A) 1-Formyl-2-nitropropane 
B) 1-Formyl-3-nitrobutane 
C) 2-Nitrobutanal 
D) 3-Nitrobutanal

Question 4

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 5

What is the driving force for the Wittig reaction?

Accepted Answer

A) The formation of an alkene 
B) The deprotonation of a phosphonium salt 
C) The elimination of triphenylphosphine oxide 
D) The formation of a phosphonium salt 
A) The formation of an alkene 
B) The deprotonation of a phosphonium salt 
C) The elimination of triphenylphosphine oxide 
D) The formation of a phosphonium salt

Question 6

What compound is consistent with the following 1H NMR spectrum?

Accepted Answer

A) Acetone 
B) Propanal 
C) Cyclobutanone 
D) 2-butanone 
A) Acetone 
B) Propanal 
C) Cyclobutanone 
D) 2-butanone

Question 7

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 8

Give the IUPAC name for the following compound.

Accepted Answer

A) R-3-bromobutanal 
B) S-3-bromobutanal 
C) R-2-bromobutan-4-al 
D) S-2-bromobutan-4-al 
A) R-3-bromobutanal 
B) S-3-bromobutanal 
C) R-2-bromobutan-4-al 
D) S-2-bromobutan-4-al

Question 9

When an aldehyde is reacted with excess ethanol with an acid as a catalyst,what is the product called?

Accepted Answer

A) Hemiacetal 
B) Di-ether 
C) Di-alkoxy alkane 
D) Acetal 
A) Hemiacetal 
B) Di-ether 
C) Di-alkoxy alkane 
D) Acetal

Question 10

Give the IUPAC name for the following compound.

Accepted Answer

A) R-3-methylcyclohexanone 
B) S-3-methylcyclohexanone 
C) R-5-methylcyclohexanone 
D) S-5-methylcyclohexanone 
A) R-3-methylcyclohexanone 
B) S-3-methylcyclohexanone 
C) R-5-methylcyclohexanone 
D) S-5-methylcyclohexanone

Question 11

What is the structure of 3-methylcyclohexanone?

Accepted Answer

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

Question 12

What would you use to prepare the following ylide from the starting phosphonium salt?

Accepted Answer

A) Butyl lithium 
B) 1-Bromo-2-methylpropane 
C) Triphenylphosphine 
D) Acetic acid 
A) Butyl lithium 
B) 1-Bromo-2-methylpropane 
C) Triphenylphosphine 
D) Acetic acid

Exam 18: Aldehydes and Ketones - Nucleophilic Addition

What product is formed when the following acetal is hydrolyzed with aqueous acid?

Cyclic acetals are used as protecting groups for ketones or aldehydes because they are inert to all of the following reagents except

What is the IUPAC for the following compound?

What is the structure of benzophenone?

What is the driving force for the Wittig reaction?

What compound is consistent with the following 1H NMR spectrum?

What is the product of the following reaction?

Give the IUPAC name for the following compound.

When an aldehyde is reacted with excess ethanol with an acid as a catalyst,what is the product called?

Give the IUPAC name for the following compound.

What is the structure of 3-methylcyclohexanone?

What would you use to prepare the following ylide from the starting phosphonium salt?

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 Related Compounds

Alkenes and Addition Reactions

Alkynes and Synthesis

Oxidation and Reduction

Radical Reactions

Conjugation,resonance,and Dienes

Benzene and Aromatic Compounds

Reactions of Aromatic Compounds

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Carboxylic Acids and the Acidity of the O-H Bond

Carboxylic Acids and Their Derivatives Nucleophilic Acyl Substitution

Substitution Reactions of Carbonyl Compounds at the a Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond-Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Synthetic Polymers

Lipids

Spectroscopy A: Mass Spectrometry

Spectroscopy B: Infrared Spectroscopy

Spectroscopy C: Nuclear Magnetic Resonance Spectroscopy

Filters

What compound is consistent with the following ¹H NMR spectrum?