Question 1

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

Accepted Answer

A) (
E) -5-phenyl-2-pentene 
B) 6-phenyl-1-hexene 
C) (Z)-6-phenyl-2-hexene 
D) (
E) -6-methyl-3-heptene 
A) (
E) -5-phenyl-2-pentene 
B) 6-phenyl-1-hexene 
C) (Z)-6-phenyl-2-hexene 
D) (
E) -6-methyl-3-heptene

Question 2

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 3

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

Accepted Answer

A) 2,3-dibromobutane 
B) 2,2,3,3-tetrabromobutane 
C) 2,3-dibromobutene 
D) 2,2-dibromobutane 
A) 2,3-dibromobutane 
B) 2,2,3,3-tetrabromobutane 
C) 2,3-dibromobutene 
D) 2,2-dibromobutane

Question 4

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

Accepted Answer

A) 3,4-dibromohexane 
B) 3,3-dibromohexane 
C) (Z) 3,4-dibromohexene 
D) 3,3,4,4-tetrabromohexane 
A) 3,4-dibromohexane 
B) 3,3-dibromohexane 
C) (Z) 3,4-dibromohexene 
D) 3,3,4,4-tetrabromohexane

Question 5

What is the IUPAC name of the following compound? CH3CH2CH2-C$\equiv$C-CH(CH3)2

Accepted Answer

A) 1-isopropyl-1-pentyne 
B) 2-methyl-3-heptyne 
C) 6-methyl-4-heptyne 
D) isopropyl propyl ethyne 
A) 1-isopropyl-1-pentyne 
B) 2-methyl-3-heptyne 
C) 6-methyl-4-heptyne 
D) isopropyl propyl ethyne

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 IUPAC name of the following compound?

Accepted Answer

A) (R)-4-methyl-2-hexyne 
B) (S)-4-methyl-2-hexyne 
C) (R)-3-methyl-4-hexyne 
D) (S)-3-methyl-4-hexyne 
A) (R)-4-methyl-2-hexyne 
B) (S)-4-methyl-2-hexyne 
C) (R)-3-methyl-4-hexyne 
D) (S)-3-methyl-4-hexyne

Question 8

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

Accepted Answer

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

Question 9

What is IUPAC name of the following compound?

Accepted Answer

(R)-4-chlo

Question 10

Which of the following is the strongest acid?

Accepted Answer

A) propane 
B) cyclopropane 
C) propene 
D) propyne 
A) propane 
B) cyclopropane 
C) propene 
D) propyne

Question 11

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

Accepted Answer

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

Question 12

What is the best choice of reagent(s) to perform the following transformation?

Accepted Answer

A) H2/Lindlar catalyst 
B) Na/NH3 
C) (sia)2BH; followed by H2O2, NaOH 
D) BH3; followed by H2O2, NaOH 
A) H2/Lindlar catalyst 
B) Na/NH3 
C) (sia)2BH; followed by H2O2, NaOH 
D) BH3; followed by H2O2, NaOH

Question 13

The following deuteration reaction correctly shows the stereochemistry of the product.

Accepted Answer

A) True 
 B)False

Question 14

Outline how one might achieve the following transformation, showing reagents and the isolated intermediates in the synthetic scheme.

Accepted Answer

The answer of Outline how one might achieve the following...

Question 15

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

Accepted Answer

A) butanal 
B) cis-2-butene 
C) 2-butanol 
D) butanone 
A) butanal 
B) cis-2-butene 
C) 2-butanol 
D) butanone

Question 16

The name of the product of the reaction of the following substance with bromoethane would be ________________.

Accepted Answer

The answer of The name of the product of the...

Question 17

What is the smallest cycloalkyne that is stable at room temperature?

Accepted Answer

A) cyclohexyne 
B) cyclononyne 
C) cyclododecyne 
D) cycloeicosyne 
A) cyclohexyne 
B) cyclononyne 
C) cyclododecyne 
D) cycloeicosyne

Question 18

What type of intermediate is formed in the Hg2+ catalyzed hydration of an alkyne??

Accepted Answer

A) an alcohol 
B) an enol 
C) a 1,2-diene 
D) an epoxide 
A) an alcohol 
B) an enol 
C) a 1,2-diene 
D) an epoxide

Question 19

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 20

Which atomic orbitals overlap to form the carbon-carbon single bond of 1-propyne?

Accepted Answer

A) 2s + sp 
B) sp + sp2 
C) sp + sp3 
D) sp2 + sp3 
A) 2s + sp 
B) sp + sp2 
C) sp + sp3 
D) sp2 + sp3

Exam 7: Alkynes

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

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?

What is the IUPAC name of the following compound? CH3CH2CH2-C ≡\equiv≡ C-CH(CH3)2

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

What is the IUPAC name of the following compound?

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

What is IUPAC name of the following compound?

Which of the following is the strongest acid?

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

What is the best choice of reagent(s) to perform the following transformation?

The following deuteration reaction correctly shows the stereochemistry of the product.

Outline how one might achieve the following transformation, showing reagents and the isolated intermediates in the synthetic scheme.

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

The name of the product of the reaction of the following substance with bromoethane would be ________________.

What is the smallest cycloalkyne that is stable at room temperature?

What type of intermediate is formed in the Hg2+ catalyzed hydration of an alkyne??

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

Which atomic orbitals overlap to form the carbon-carbon single bond of 1-propyne?

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

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

Aldehydes and Ketones

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

What is the IUPAC name of the following compound? CH₃CH₂CH₂-C $\equiv$ C-CH(CH₃)₂

What type of intermediate is formed in the Hg²⁺ catalyzed hydration of an alkyne??