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? $\mathrm{CH}_{3} \mathrm{CHBrCHBrCH}_{3}$$\underset{\mathrm{DMSO}}{\stackrel{\mathrm{NaNH}_{2}}{\longrightarrow}}$

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 4

The name of the final product after adding 1 mole of each reactant in the following sequence is ______________________. $\mathrm{CH}_{3} \mathrm{C} \equiv \mathrm{CH} \stackrel{\mathrm{HCl}}{\longrightarrow} \stackrel{\mathrm{HBr}}{\longrightarrow} ?$

Accepted Answer

2-bromo-2-

Question 5

Write a brief note about the following reaction.
​

Accepted Answer

The given reaction is an example of an a

Question 6

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 7

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

Accepted Answer

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

Question 8

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 9

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

Accepted Answer

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

Question 10

What is IUPAC name of the following compound?

Accepted Answer

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

Question 11

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 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

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

Accepted Answer

A)  2-hexanone 
B)  hexanal 
C)  2-hexanol 
D)  cis-2-hexene 
A)  2-hexanone 
B)  hexanal 
C)  2-hexanol 
D)  cis-2-hexene

Question 14

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 15

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

Accepted Answer

A)  H2/Pt 
B)  H2/Lindlar catalyst 
C)  Na/NH3 
D)  BH3; followed by H2O2, NaOH 
A)  H2/Pt 
B)  H2/Lindlar catalyst 
C)  Na/NH3 
D)  BH3; followed by H2O2, NaOH

Question 16

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

Accepted Answer

A)  1 mol of Br2 
B)  2 mol of Br2 
C)  1 mol of HBr 
D)  2 mol of HBr 
A)  1 mol of Br2 
B)  2 mol of Br2 
C)  1 mol of HBr 
D)  2 mol of HBr

Question 17

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

Accepted Answer

A)  (Z)-2-heptene 
B)  (Z)-1,5-heptene 
C)  1-heptene 
D)  heptane 
A)  (Z)-2-heptene 
B)  (Z)-1,5-heptene 
C)  1-heptene 
D)  heptane

Question 18

Which sequence of reactions can be used to convert 1-pentene to 1-pentyne

Accepted Answer

A)  Treatment with HBr; followed by treatment with NaOH 
B)  Treatment with Br2; followed by treatment with NaNH2 
C)  Treatment with Br2; followed by treatment with H2SO4 
D)  Treatment with Br2, H2O; followed by treatment with NaOH 
A)  Treatment with HBr; followed by treatment with NaOH 
B)  Treatment with Br2; followed by treatment with NaNH2 
C)  Treatment with Br2; followed by treatment with H2SO4 
D)  Treatment with Br2, H2O; followed by treatment with NaOH

Question 19

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

Accepted Answer

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

Question 20

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

Accepted Answer

A) True 
 B)False

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? CH3CHBrCHBrCH3\mathrm{CH}_{3} \mathrm{CHBrCHBrCH}_{3}CH3​CHBrCHBrCH3​⟶NaNH2DMSO\underset{\mathrm{DMSO}}{\stackrel{\mathrm{NaNH}_{2}}{\longrightarrow}}DMSO⟶NaNH2​​​

Write a brief note about the following reaction. ​

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

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

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?

What is IUPAC name of the following compound?

Which of the following is the strongest acid?

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

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?

Which sequence of reactions can be used to convert 1-pentene to 1-pentyne

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

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

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 major organic product obtained from the following reaction? $\mathrm{CH}_{3} \mathrm{CHBrCHBrCH}_{3}$ $\underset{\mathrm{DMSO}}{\stackrel{\mathrm{NaNH}_{2}}{\longrightarrow}}$

Write a brief note about the following reaction.