Question 1

The Newman projection of the gauche conformation of 1,2-dichloroethane is shown below.

Accepted Answer

A) True 
 B)False

Question 2

The following Newman projection represents 2-methylhexane.

Accepted Answer

A) True 
 B)False

Question 3

How many hydrogen atoms are there in decane?

Accepted Answer

The answer of How many hydrogen atoms are there in...

Question 4

Which of the following compounds can adopt a chair conformation in which there are no axial methyl groups?

Accepted Answer

A)   cis-1,2-dimethylcyclohexane
B)   cis-1,3-dimethylcyclohexane
C)   trans-1,3-dimethylcyclohexane
D)   cis-1,4-dimethylcyclohexaneE) A) and B)
F) None of the above

Question 5

Which one of the following structures represents a different compound from the other three?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and C)
F) None of the above

Question 6

Provide a line-bond structure of pentanal.

Accepted Answer

The answer of Provide a line-bond structure of pentanal....

Question 7

There are four constitutional isomers for the molecular formula C6H14.

Accepted Answer

A) True 
 B)False

Question 8

Which one of the following structures represents a different compound from the other three?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) B) and C)
F) A) and C)

Question 9

How many hydrogen atoms are there in octane?

Accepted Answer

The answer of How many hydrogen atoms are there in...

Question 10

How many constitutional isomers are there with the molecular formula C5H12?

Accepted Answer

A)   2
B)   3
C)   4
D)   5E) A) and D)
F) None of the above

Question 11

Which of the following Newman projections represents the most stable conformation of 2-methylbutane?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and D)
F) C) and D)

Question 12

What is the IUPAC name of the following compound?

Accepted Answer

2,4,4-trim...

Question 13

Which of the following Newman projections represents the most stable conformation of 2,3-dimethylbutane?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and B)
F) A) and C)

Question 14

In the following structure the positions labeled a and d are equatorial positions.

Accepted Answer

A) True 
 B)False

Question 15

What is the approximate dihedral angle between the two chlorine atoms in cis-1,2-dichlorocyclohexane?

Accepted Answer

A)   0°
B)   60°
C)   120°
D)   180°E) All of the above
F) None of the above

Question 16

Which of the following is the most stable conformation of trans-1-ethyl-3-methylcyclohexane?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) C) and D)
F) A) and D)

Question 17

Provide a neatly drawn plot of energy versus dihedral angle for rotation around the C-C bond of ethane.

Accepted Answer

The answer of Provide a neatly drawn plot of energy...

Question 18

In the following conversion, the conformations are of equal stability.

Accepted Answer

A) True 
 B)False

Question 19

What is the IUPAC name of the following compound?

Accepted Answer

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

Question 20

Provide a line-bond structure of hexanoic acid.

Accepted Answer

The answer of Provide a line-bond structure of hexanoic acid....

Exam 2: Alkanes and Cycloalkanes

What is the IUPAC name of the following compound?

Correct Answerverified2,4,4-trim...View AnswerShow Answer

The following Newman projection represents 2-methylhexane.

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Which of the following is the most stable conformation of trans-1-ethyl-3-methylcyclohexane?

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The Newman projection of the gauche conformation of 1,2-dichloroethane is shown below.

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Provide a line-bond structure of hexanoic acid.

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Provide a line-bond structure of pentanal.

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Which one of the following structures represents a different compound from the other three?

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What is the IUPAC name of the following compound?

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What is the approximate dihedral angle between the two chlorine atoms in cis-1,2-dichlorocyclohexane?

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Which of the following compounds can adopt a chair conformation in which there are no axial methyl groups?

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Which one of the following structures represents a different compound from the other three?

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How many hydrogen atoms are there in decane?

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There are four constitutional isomers for the molecular formula C6H14.

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How many hydrogen atoms are there in octane?

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Which of the following Newman projections represents the most stable conformation of 2,3-dimethylbutane?

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In the following structure the positions labeled a and d are equatorial positions.

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How many constitutional isomers are there with the molecular formula C5H12?

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Which of the following Newman projections represents the most stable conformation of 2-methylbutane?

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Provide a neatly drawn plot of energy versus dihedral angle for rotation around the C-C bond of ethane.

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In the following conversion, the conformations are of equal stability.

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2,4,4-trim...
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There are four constitutional isomers for the molecular formula C₆H₁₄.

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How many constitutional isomers are there with the molecular formula C₅H₁₂?

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