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 structures represent, from left to right, a cis and a trans isomer.

Accepted Answer

A) True 
 B)False

Question 3

What is the IUPAC name of the following compound?

Accepted Answer

bicyclo[2....

Question 4

What are the common and IUPAC names of the following compound?

Accepted Answer

common: is...

Question 5

Approximately how long is a C-C single bond of an alkane?

Accepted Answer

A)  111 pm
B)  134 pm
C)  142 pm
D)  153 pmE) B) and C)
F) C) and D)

Question 6

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

Accepted Answer

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

Question 7

Which of the following is the steroid nucleus?

Accepted Answer

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

Question 8

Which of the following compounds has 1 ∘\circ∘ , 2 ∘\circ∘ , 3 ∘\circ∘  and 4 ∘\circ∘ carbon atoms?

Accepted Answer

A)  hexane
B)  2-methylhexane
C)  2,2-dimethylhexane
D)  2,2,3-trimethylhexane E) A) and B)
F) A) and C)

Question 9

There are four constitutional isomers for the molecular formula C6H14.

Accepted Answer

A) True 
 B)False

Question 10

What is the IUPAC name of the following compound?

Accepted Answer

A)  2-isopropyl-5-methylpentane
B)  5-isopropyl-2-methylpentane
C)  2,3,5-trimethylhexane
D)  1,2-diisopropylpropaneE) All of the above
F) A) and B)

Question 11

Which of the following is not true regarding the properties of alkanes?

Accepted Answer

A)  alkanes are nonpolar
B)  alkanes burn in air to give H2O and CO2
C)  alkanes are highly miscible with water
D)  the strongest intermolecular force between alkane molecules is the van der Waals interactionE) A) and B)
F) A) and C)

Question 12

What is the IUPAC name of the following compound?

Accepted Answer

2,2,4-trim...

Question 13

The correct IUPAC name for the following compound is___________________________.

Accepted Answer

3-methyl-5-(1-methyl...

Question 14

How many moles of molecular oxygen (O2)  are consumed in the complete combustion of one mole of octane (C8H18) ?

Accepted Answer

A)  12.5
B)  13
C)  17
D)  26E) B) and C)
F) A) and D)

Question 15

What is the IUPAC name of the following compound?

Accepted Answer

A)  2,2-dimethyl-4-ethylheptane
B)  4-ethyl-2,2-dimethyl-heptane
C)  6,6-dimethyl-4-ethylheptane
D)  4-ethyl-6,6-dimethyl-heptaneE) B) and D)
F) C) and D)

Question 16

What is the IUPAC name of the following compound?

Accepted Answer

cis-1-isopropyl-3-me...

Question 17

What is the IUPAC name for the following compound?

Accepted Answer

A)  cycloheptane
B)  bicyclo[3.2.0]heptane
C)  bicyclo[5.4]heptane
D)  cyclobutylcyclopentaneE) B) and C)
F) All of the above

Question 18

Which of the following is the most stable conformation of cis-1-isopropyl-3-methylcyclohexane?

Accepted Answer

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

Question 19

Which of the following undergoes the most exothermic combustion?

Accepted Answer

A)  octane
B)  2-methylheptane
C)  2,2-dimethylhexane
D)  2,2,3,3-tetramethylbutaneE) A) and B)
F) B) and C)

Question 20

Which of the following structures represents trans-1,2-dimethylcyclohexane?

Accepted Answer

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

Exam 2: Alkanes and Cycloalkanes

Which of the following is the most stable conformation of cis-1-isopropyl-3-methylcyclohexane?

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What is the IUPAC name of the following compound?

Correct Answerverifiedbicyclo[2....View AnswerShow Answer

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

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What is the IUPAC name of the following compound?

Correct Answerverified2,2,4-trim...View AnswerShow Answer

Which of the following is the steroid nucleus?

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How many moles of molecular oxygen (O2) are consumed in the complete combustion of one mole of octane (C8H18) ?

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Which of the following undergoes the most exothermic combustion?

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Which of the following structures represents trans-1,2-dimethylcyclohexane?

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What is the IUPAC name for the following compound?

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What are the common and IUPAC names of the following compound?

Correct Answerverifiedcommon: is...View AnswerShow Answer

What is the IUPAC name of the following compound?

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

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Approximately how long is a C-C single bond of an alkane?

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Which of the following compounds has 1 ∘\circ∘ , 2 ∘\circ∘ , 3 ∘\circ∘ and 4 ∘\circ∘ carbon atoms?

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What is the IUPAC name of the following compound?

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The following structures represent, from left to right, a cis and a trans isomer.

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What is the IUPAC name of the following compound?

Correct Answerverifiedcis-1-isopropyl-3-me...View AnswerShow Answer

Which of the following is not true regarding the properties of alkanes?

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The correct IUPAC name for the following compound is___________________________.

Correct Answerverified3-methyl-5-(1-methyl...View AnswerShow Answer

There are four constitutional isomers for the molecular formula C6H14.

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bicyclo[2....
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2,2,4-trim...
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How many moles of molecular oxygen (O₂) are consumed in the complete combustion of one mole of octane (C₈H₁₈) ?

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common: is...
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Which of the following compounds has 1^$\circ$, 2^$\circ$, 3^$\circ$ and 4^$\circ$carbon atoms?

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cis-1-isopropyl-3-me...
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3-methyl-5-(1-methyl...
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There are four constitutional isomers for the molecular formula C₆H₁₄.

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