Question 1

Which is the most stable chair conformer of the following compound?

Accepted Answer

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

Question 2

Which of the following is an anti conformation for butane?

Accepted Answer

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

Question 3

What is the relationship between the following two compounds?

Accepted Answer

A)  constitutional isomers 
B)  identical compounds 
C)  completely different and not constitutional isomers 
A)  constitutional isomers 
B)  identical compounds 
C)  completely different and not constitutional isomers

Question 4

Identify the size of the hydrocarbon that is used in asphalt.

Accepted Answer

A)  C1 - C4 
B)  C5 - C12 
C)  C12 - C18 
D)  C12 and higher 
A)  C1 - C4 
B)  C5 - C12 
C)  C12 - C18 
D)  C12 and higher

Question 5

Which is the least stable chair conformer of the following compound?

Accepted Answer

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

Question 6

Draw a Newman projection of the following compound as viewed down the indicated bond in the conformation shown.

Accepted Answer

The answer of Draw a Newman projection of the following...

Question 7

Which pair of the following compounds are constitutional isomers?

Accepted Answer

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

Question 8

Draw a wedge and dash structure of the following Newman projection.

Accepted Answer

The answer of Draw a wedge and dash structure of...

Question 9

Draw the most stable conformation of trans-1,4-diethylcyclohexane.

Accepted Answer

The answer of Draw the most stable conformation of trans-1,4-diethylcyclohexane....

Question 10

Which is the least stable chair conformer of the following compound?

Accepted Answer

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

Question 11

Identify the size of the hydrocarbon that is used in natural gas.

Accepted Answer

A)  C1 - C4 
B)  C5 - C12 
C)  C12 - C18 
D)  C12 and higher 
A)  C1 - C4 
B)  C5 - C12 
C)  C12 - C18 
D)  C12 and higher

Question 12

Which pair of the following compounds are constitutional isomers?

Accepted Answer

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

Question 13

Draw the wedge and dash structure of the following Newman projection.

Accepted Answer

The answer of Draw the wedge and dash structure of...

Question 14

Which is more stable?

Accepted Answer

A)  I 
B)  II 
C)  neither 
A)  I 
B)  II 
C)  neither

Question 15

What is the IUPAC name of the following compound?

Accepted Answer

A)  3-isopropyl-5-ethylheptane 
B)  2-methyl-3-ethyl-5-ethylheptane 
C)  3,5-diethyl-2-methylheptane 
D)  2-methyl-3,5-diethylheptane 
A)  3-isopropyl-5-ethylheptane 
B)  2-methyl-3-ethyl-5-ethylheptane 
C)  3,5-diethyl-2-methylheptane 
D)  2-methyl-3,5-diethylheptane

Question 16

Draw the lowest energy conformer of the following compound as a Newman projection looking down the C2-C3 bond.

Accepted Answer

The answer of Draw the lowest energy conformer of the...

Question 17

What is the parent chain of the following compound?

Accepted Answer

A)  octane 
B)  hexane 
C)  heptane 
D)  decane 
A)  octane 
B)  hexane 
C)  heptane 
D)  decane

Question 18

What is the correct stoichiometry of oxygen for the balanced redox reaction?

Accepted Answer

The answer of What is the correct stoichiometry of oxygen...

Question 19

Which of the following is a Newman projection of an eclipsed conformation for ethane?

Accepted Answer

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

Question 20

Draw the most stable chair conformation of the following cyclohexane.

Accepted Answer

The answer of Draw the most stable chair conformation of...

Exam 4: Alkanes and Cycloalkanes

Which is the most stable chair conformer of the following compound?

Which of the following is an anti conformation for butane?

What is the relationship between the following two compounds?

Identify the size of the hydrocarbon that is used in asphalt.

Which is the least stable chair conformer of the following compound?

Draw a Newman projection of the following compound as viewed down the indicated bond in the conformation shown.

Which pair of the following compounds are constitutional isomers?

Draw a wedge and dash structure of the following Newman projection.

Draw the most stable conformation of trans-1,4-diethylcyclohexane.

Which is the least stable chair conformer of the following compound?

Identify the size of the hydrocarbon that is used in natural gas.

Which pair of the following compounds are constitutional isomers?

Draw the wedge and dash structure of the following Newman projection.

Which is more stable?

What is the IUPAC name of the following compound?

Draw the lowest energy conformer of the following compound as a Newman projection looking down the C2-C3 bond.

What is the parent chain of the following compound?

What is the correct stoichiometry of oxygen for the balanced redox reaction?

Which of the following is a Newman projection of an eclipsed conformation for ethane?

Draw the most stable chair conformation of the following cyclohexane.

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Stereoisomerism

Chemical Reactivity and Mechanisms

Alkyl Halides: Nucleophilic Substitution and Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Introduction to Organometallic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

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