Question 1

What is the IUPAC name of this compound?

Accepted Answer

A)  4-propylhexane
B)  3-ethyl-2-methylhexane
C)  2-methyl-3-ethylhexane
D)  4-ethyl-5-methylheptaneE) C) and D)
F) All of the above

Question 2

The IUPAC name of the compound below is _____.

Accepted Answer

3, 3-dieth...

Question 3

The products of the complete combustion of any hydrocarbon are CO2 + H2O, regardless of the identity of the starting material.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following pairs of compounds are constitutional isomers?

Accepted Answer

A)   3) 3CCl and (CH3) 3CBr 
C)     
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B)  (CH3) 3CCl and (CH3) 3CBr
C)   3) 3CCl and (CH3) 3CBr 
C)     
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D)   3) 3CCl and (CH3) 3CBr 
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >E) None of the above
F) A) and D) A

Question 5

The molecule below contains 1°, 2°, and 3°carbon atoms, but no 4° carbon atoms.

Accepted Answer

A) True 
 B)False

Question 6

The compound below is an example of a saturated hydrocarbon.

Accepted Answer

A) True 
 B)False

Question 7

Which name represents a valid IUPAC name for an alkane?

Accepted Answer

A)  1, 4-diethylheptane
B)  4, 4-diethyl-2, 3, 4-trimethylpentane
C)  4, 4-diethyl-2, 3, 4-trimethylcycloheptane
D)  4, 4-diethyl-2, 3-dimethylheptane
E)  More than one of the names above is a valid IUPAC name for an alkane.F) A) and C)
G) D) and E) D

Question 8

A branched alkane and a cycloalkane with the same number of carbons have the same number of hydrogen atoms in their chemical formulas.

Accepted Answer

A) True 
 B)False

Question 9

What is the structure of butylcyclopentane?

Accepted Answer

A)   
B)   
C)   
D)   E) A) and B)
F) C) and D)

Question 10

What is the structure of butylcyclopentane?

Accepted Answer

A)   
B)   
C)   
D)   E) A) and D)
F) A) and C) C

Question 11

Asphalt is a mixture of high molecular weight hydrocarbons. Which solvent would be best for removing asphalt from a newly paved road off the bottom of a pair of shoes?

Accepted Answer

A)  water
B)  octane
C)  methanol, CH3OH
D)  NaCl(aq) E) All of the above
F) A) and B)

Question 12

The name of the compound below is _____.

Accepted Answer

1, 1-dimet...

Question 13

How many polar bonds are in this molecule?

Accepted Answer

A)  0
B)  1
C)  2
D)  14E) A) and D)
F) A) and B)

Question 14

What is the classification of each labeled carbon atom in this structure?

Accepted Answer

A)  C1 is a 1°, C2 is 2°, C3 is a 3°, and C4 is 4°.
B)  C1 is a 2°, C2 is 3°, C3 is a 3°, and C4 is 4°.
C)  C1 is a 1°, C2 is 2°, C3 is a 3°, and C4 is 1°.
D)  C1 is a 2°, C2 is 3°, C3 is a 2°, and C4 is 3°.E) All of the above
F) B) and C)

Question 15

The compounds below are constitutional isomers.

Accepted Answer

A) True 
 B)False

Question 16

Eicosane has the structure: CH3(CH2) 18CH3. What does the prefix eicos specifically indicate about the structure of this compound?

Accepted Answer

A)  It contains a straight chain of carbons.
B)  It contains 20 carbons in a continuous chain.
C)  It is an alkane.
D)  It is a saturated hydrocarbon.E) A) and B)
F) None of the above

Question 17

The IUPAC name of the molecule below is butylcyclopentane.

Accepted Answer

A) True 
 B)False

Question 18

The compound below is an example of a saturated hydrocarbon.

Accepted Answer

A) True 
 B)False

Question 19

Which balanced chemical equation represents the incomplete combustion of a hydrocarbon?

Accepted Answer

A)  CH3CH2CH3 + 5 O2  →\rightarrow→ 3 CO2 + 4 H2O
B)  2 CH3CH2CH3 + 7 O2  →\rightarrow→ 6 CO + 8 H2O
C)  C36H74 + 36 O2  →\rightarrow→  36 CO + 37 H2O
D)  C26H50 + 33 O2  →\rightarrow→  16 CO2 + 10 CO + 25 H2O E) None of the above
F) A) and D)

Question 20

How many hydrogen atoms are present in a cyclic alkane with six (6) carbon atoms?

Accepted Answer

A)  6
B)  8
C)  10
D)  12
E)  14F) B) and D)
G) A) and D)

Exam 12: Alkanes

What is the IUPAC name of this compound?

Correct AnswerverifiedShow Answer

The IUPAC name of the compound below is _____.

Correct Answerverified3, 3-dieth...View AnswerShow Answer

The products of the complete combustion of any hydrocarbon are CO2 + H2O, regardless of the identity of the starting material.

Correct AnswerverifiedShow Answer

Which of the following pairs of compounds are constitutional isomers?

Correct AnswerverifiedA

The molecule below contains 1°, 2°, and 3°carbon atoms, but no 4° carbon atoms.

Correct AnswerverifiedShow Answer

The compound below is an example of a saturated hydrocarbon.

Correct AnswerverifiedShow Answer

Which name represents a valid IUPAC name for an alkane?

Correct AnswerverifiedD

A branched alkane and a cycloalkane with the same number of carbons have the same number of hydrogen atoms in their chemical formulas.

Correct AnswerverifiedShow Answer

What is the structure of butylcyclopentane?

Correct AnswerverifiedShow Answer

What is the structure of butylcyclopentane?

Correct AnswerverifiedC

Asphalt is a mixture of high molecular weight hydrocarbons. Which solvent would be best for removing asphalt from a newly paved road off the bottom of a pair of shoes?

Correct AnswerverifiedShow Answer

The name of the compound below is _____.

Correct Answerverified1, 1-dimet...View AnswerShow Answer

How many polar bonds are in this molecule?

Correct AnswerverifiedShow Answer

What is the classification of each labeled carbon atom in this structure?

Correct AnswerverifiedShow Answer

The compounds below are constitutional isomers.

Correct AnswerverifiedShow Answer

Eicosane has the structure: CH3(CH2) 18CH3. What does the prefix eicos specifically indicate about the structure of this compound?

Correct AnswerverifiedShow Answer

The IUPAC name of the molecule below is butylcyclopentane.

Correct AnswerverifiedShow Answer

The compound below is an example of a saturated hydrocarbon.

Correct AnswerverifiedShow Answer

Which balanced chemical equation represents the incomplete combustion of a hydrocarbon?

Correct AnswerverifiedShow Answer

How many hydrogen atoms are present in a cyclic alkane with six (6) carbon atoms?

Correct AnswerverifiedShow Answer

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3, 3-dieth...
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The products of the complete combustion of any hydrocarbon are CO₂ + H₂O, regardless of the identity of the starting material.

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A

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D

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C

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1, 1-dimet...
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Eicosane has the structure: CH₃(CH₂) ₁₈CH₃. What does the prefix eicos specifically indicate about the structure of this compound?

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