Question 1

Which of the following has the highest Keq for enolization?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 2

An 1H NMR is run on a sample. This spectrum is shown below.   Based on this data the sample is probably an aldehyde.

Accepted Answer

A) True 
 B)False

Question 3

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 4

The first step in the reaction mechanism is the protonation of the ________group.

Accepted Answer

The answer of The first step in the reaction mechanism...

Question 5

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  (
E) -3-methyl-2-pentene 
B)  (Z)-3-methyl-2-pentene 
C)  2-methyl-2-pentene 
D)  4-methyl-1-pentene 
A)  (
E) -3-methyl-2-pentene 
B)  (Z)-3-methyl-2-pentene 
C)  2-methyl-2-pentene 
D)  4-methyl-1-pentene

Question 6

What is the major organic product obtained from the following reaction?

Accepted Answer

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

Question 7

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 8

The following compound would be classified as a hemiacetal.. $\begin{array}{c}
\mathrm{OH}\|\\mathrm{H}_{3} \mathrm{CCH}\|\\mathrm{OCH}_{3}
\end{array}$

Accepted Answer

A) True 
 B)False

Question 9

What is the correct assignment of the names of the following aldehydes and ketones?

Accepted Answer

A)  1 = acetone; 2 = acetaldehyde; 3 = formaldehyde 
B)  1 = acetaldehyde; 2 = acetophenone; 3 = benzophenone 
C)  1 = formaldehyde; 2 = acetaldehyde; 3 = acetone 
D)  1 = acetaldehyde; 2 = acetone; 3 = acetophenone 
A)  1 = acetone; 2 = acetaldehyde; 3 = formaldehyde 
B)  1 = acetaldehyde; 2 = acetophenone; 3 = benzophenone 
C)  1 = formaldehyde; 2 = acetaldehyde; 3 = acetone 
D)  1 = acetaldehyde; 2 = acetone; 3 = acetophenone

Question 10

What is the major organic product obtained from the following reaction?

Accepted Answer

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

Question 11

Which combination(s) of amine and carbonyl compound can be used to prepare the following product by reductive amination?

Accepted Answer

A)  only 1 
B)  only 3 
C)  only 1 and 3 
D)  only 1, 2 and 4 
A)  only 1 
B)  only 3 
C)  only 1 and 3 
D)  only 1, 2 and 4

Question 12

What is the correct assignment of the names of the following functional groups?

Accepted Answer

A)  1 = acetal; 2 = hydrate; 3 = acetal; 4 = hemiacetal 
B)  1 = acetal; 2 = enol; 3 = hydrate; 4 = hemiacetal 
C)  1 = hydrate; 2 = hemiacetal; 3 = acetal; 4 = enol 
D)  1 = enol; 2 = hydrate; 3 = hemiacetal; 4 = enol 
A)  1 = acetal; 2 = hydrate; 3 = acetal; 4 = hemiacetal 
B)  1 = acetal; 2 = enol; 3 = hydrate; 4 = hemiacetal 
C)  1 = hydrate; 2 = hemiacetal; 3 = acetal; 4 = enol 
D)  1 = enol; 2 = hydrate; 3 = hemiacetal; 4 = enol

Question 13

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  2-pentanone 
B)  (
E) -3-penten-2-ol 
C)  2-pentanol 
D)  4-hydroxy-2-pentanone 
A)  2-pentanone 
B)  (
E) -3-penten-2-ol 
C)  2-pentanol 
D)  4-hydroxy-2-pentanone

Question 14

Which of the following statements is not true?

Accepted Answer

A)  Reaction of benzophenone with methanol in the presence of acid gives a acetal 
B)  Reaction of butanal with ethanol in the presence of base gives an acetal 
C)  Reaction of benzaldehyde with ethanol in the presence of acid gives an acetal 
D)  Reaction of acetone with methanol in the presence of base gives a hemiacetal 
A)  Reaction of benzophenone with methanol in the presence of acid gives a acetal 
B)  Reaction of butanal with ethanol in the presence of base gives an acetal 
C)  Reaction of benzaldehyde with ethanol in the presence of acid gives an acetal 
D)  Reaction of acetone with methanol in the presence of base gives a hemiacetal

Question 15

What is the major organic product obtained from the following reaction?

Accepted Answer

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

Question 16

Which combination(s) of alkyl bromide and carbonyl compound can be used to prepare the following product by reaction of the Wittig reagent derived from the alkyl bromide with the carbonyl compound?

Accepted Answer

A)  only 1 and 2 
B)  only 1 and 3 
C)  only 2 and 4 
D)  only 1, 2 and 3 
A)  only 1 and 2 
B)  only 1 and 3 
C)  only 2 and 4 
D)  only 1, 2 and 3

Question 17

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 18

What is the correct assignment of the names of the following ketones?

Accepted Answer

A)  1 = acetone; 2 = phenol; 3 = benzaldehyde 
B)  1 = acetone; 2 = acetophenone; 3 = benzophenone 
C)  1 = formaldehyde; 2 = benzaldehyde; 3 = acetophenone 
D)  1 = acetaldehyde; 2 = acetophenone; 3 = benzaldehyde 
A)  1 = acetone; 2 = phenol; 3 = benzaldehyde 
B)  1 = acetone; 2 = acetophenone; 3 = benzophenone 
C)  1 = formaldehyde; 2 = benzaldehyde; 3 = acetophenone 
D)  1 = acetaldehyde; 2 = acetophenone; 3 = benzaldehyde

Question 19

Which combination(s) of amine and carbonyl compound can be used to prepare the following product by reductive amination?

Accepted Answer

A)  only 1 and 2 
B)  only 2 and 4 
C)  only 2 and 3 
D)  only 1, 2 and 3 
A)  only 1 and 2 
B)  only 2 and 4 
C)  only 2 and 3 
D)  only 1, 2 and 3

Question 20

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  2-phenyl-2-butanol 
B)  3-phenyl-2-butanol 
C)  3-phenylbutanone 
D)  propiophenone, PhCOCH2CH3 
A)  2-phenyl-2-butanol 
B)  3-phenyl-2-butanol 
C)  3-phenylbutanone 
D)  propiophenone, PhCOCH2CH3

Exam 16: Aldehydes and Ketones

Which of the following has the highest Keq for enolization?

An 1H NMR is run on a sample. This spectrum is shown below. Based on this data the sample is probably an aldehyde.

What is the major organic product obtained from the following reaction?

The first step in the reaction mechanism is the protonation of the ________group.

What is the major organic product obtained from the following reaction?

What is the major organic product obtained from the following reaction?

What is the major organic product obtained from the following reaction?

The following compound would be classified as a hemiacetal.. | |

What is the correct assignment of the names of the following aldehydes and ketones?

What is the major organic product obtained from the following reaction?

Which combination(s) of amine and carbonyl compound can be used to prepare the following product by reductive amination?

What is the correct assignment of the names of the following functional groups?

What is the major organic product obtained from the following reaction?

Which of the following statements is not true?

What is the major organic product obtained from the following reaction?

Which combination(s) of alkyl bromide and carbonyl compound can be used to prepare the following product by reaction of the Wittig reagent derived from the alkyl bromide with the carbonyl compound?

What is the major organic product obtained from the following sequence of reactions?

What is the correct assignment of the names of the following ketones?

Which combination(s) of amine and carbonyl compound can be used to prepare the following product by reductive amination?

What is the major organic product obtained from the following reaction?

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

Which of the following has the highest K_eq for enolization?

An ¹H NMR is run on a sample. This spectrum is shown below. Based on this data the sample is probably an aldehyde.