Question 1

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

Accepted Answer

A)  butane 
B)  1-butene 
C)  cis-2-butene 
D)  trans-2-butene 
A)  butane 
B)  1-butene 
C)  cis-2-butene 
D)  trans-2-butene

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

Question 4

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 5

What is IUPAC name of the following compound?

Accepted Answer

The answer of What is IUPAC name of the following...

Question 6

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

Accepted Answer

A)  (
E)  2-butene 
B)  (Z) 2-butene 
C)  2-butyne 
D)  1-butyne 
A)  (
E)  2-butene 
B)  (Z) 2-butene 
C)  2-butyne 
D)  1-butyne

Question 7

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

Question 8

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

Accepted Answer

A)  (
E)  3,4-dibromohexene 
B)  (Z) 3,4-dibromohexene 
C)  (
E)  2,3-dibromohexene 
D)  (Z) 2,3-dibromobutene 
A)  (
E)  3,4-dibromohexene 
B)  (Z) 3,4-dibromohexene 
C)  (
E)  2,3-dibromohexene 
D)  (Z) 2,3-dibromobutene

Question 9

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 10

What is the IUPAC name of the following compound? CH3CH2CH2-CºC-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 11

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 12

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

Accepted Answer

A)  1 mole of Br2 
B)  2 moles of Br2 
C)  1 mole of HBr 
D)  2 moles of HBr 
A)  1 mole of Br2 
B)  2 moles of Br2 
C)  1 mole of HBr 
D)  2 moles of HBr

Question 13

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

Accepted Answer

A)  cyclohexyne 
B)  1,3-cyclohexadiene 
C)  cyclohexene 
D)  1,2-diaminocyclohexane 
A)  cyclohexyne 
B)  1,3-cyclohexadiene 
C)  cyclohexene 
D)  1,2-diaminocyclohexane

Question 14

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 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

What is IUPAC name of the following compound?

Accepted Answer

The answer of What is IUPAC name of the following...

Question 17

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 18

Which of the following reagents react with 2-butyne to form butane

Accepted Answer

A)  H2/Lindlar catalyst 
B)  H2/Pd 
C)  (sia)2BH followed by CH3COOH 
D)  Na/NH3 
A)  H2/Lindlar catalyst 
B)  H2/Pd 
C)  (sia)2BH followed by CH3COOH 
D)  Na/NH3

Question 19

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 20

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

Accepted Answer

A)  (Z)-2-heptene 
B)  (
E) -2-heptene 
C)  1-heptene 
D)  heptane 
A)  (Z)-2-heptene 
B)  (
E) -2-heptene 
C)  1-heptene 
D)  heptane

Exam 7: Alkynes

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 major organic product obtained from the following reaction?

What is IUPAC name of the following compound?

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?

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-CºC-CH(CH3)2

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

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

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 IUPAC name of the following compound?

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

Which of the following reagents react with 2-butyne to form butane

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

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

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

Filters

What is the IUPAC name of the following compound? CH₃CH₂CH₂-CºC-CH(CH₃)₂