Question 1

What is the typical size of the hydrocarbons found in gasoline?

Accepted Answer

A)  C5 to C12 
B)  C12 to C16 
C)  C15 to C18 
D)  > C20 
A)  C5 to C12 
B)  C12 to C16 
C)  C15 to C18 
D)  > C20

Question 2

What is the IUPAC name of the following compound?

Accepted Answer

A)  diethylcyclopentane 
B)  butylcyclopentane 
C)  1,1-diethylcyclopentane 
D)  none of these 
A)  diethylcyclopentane 
B)  butylcyclopentane 
C)  1,1-diethylcyclopentane 
D)  none of these

Question 3

Which of the following is(are) constitutional isomer(s) of hexane, CH3(CH2)4CH3?

Accepted Answer

A)    
B)    
C)  both a and b 
D)  neither a nor b 
A)    
B)    
C)  both a and b 
D)  neither a nor b

Question 4

What is the molecular formula for the following compound?

Accepted Answer

A)  C7H16 
B)  C8H16 
C)  C8H17 
D)  C8H18 
A)  C7H16 
B)  C8H16 
C)  C8H17 
D)  C8H18

Question 5

What is the correct IUPAC name for the following compound?

Accepted Answer

A)  1,1-dimethylpentane 
B)  2,2-dimethylpentane 
C)  1,1,1-trimethylbutane 
D)  4,4,4-trimethylbutane 
A)  1,1-dimethylpentane 
B)  2,2-dimethylpentane 
C)  1,1,1-trimethylbutane 
D)  4,4,4-trimethylbutane

Question 6

Dodecane is a 12 carbon alkane. How many hydrogen atoms are in dodecane?

Accepted Answer

A)  12 
B)  24 
C)  26 
D)  28 
A)  12 
B)  24 
C)  26 
D)  28

Question 7

Which of the following is a correct IUPAC name?

Accepted Answer

A)  1-methylpentane 
B)  2-ethylpentane 
C)  3-ethylpentane 
D)  None, they are all incorrect. 
A)  1-methylpentane 
B)  2-ethylpentane 
C)  3-ethylpentane 
D)  None, they are all incorrect.

Question 8

Which is the correct IUPAC name for the following compound?

Accepted Answer

A)  2,2-diethylpentane 
B)  4-ethyl-4-methylhexane 
C)  4-methyl-4-ethylhexane 
D)  3-ethyl-3-methylhexane 
A)  2,2-diethylpentane 
B)  4-ethyl-4-methylhexane 
C)  4-methyl-4-ethylhexane 
D)  3-ethyl-3-methylhexane

Question 9

What is the correct structure for trans-1,2-dimethylcyclopropane?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 10

How many moles of O2 are consumed by the complete combustion of one mole of propane, C3H8?

Accepted Answer

A)  1 
B)  3 
C)  5 
D)  7 
A)  1 
B)  3 
C)  5 
D)  7

Question 11

Which of the following has the lowest boiling point?

Accepted Answer

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

Question 12

Which of the following will be essentially insoluble in water?

Accepted Answer

A)  ethane 
B)  octane 
C)  pentane 
D)  all of them 
A)  ethane 
B)  octane 
C)  pentane 
D)  all of them

Question 13

Which of the following is true of the equatorial positions in cyclohexane?

Accepted Answer

A)  Each carbon atom of the ring has two groups bonded to it in equatorial positions. 
B)  Each carbon atom of the ring has one group bonded to it in an equatorial position. 
C)  The equatorial positions are all on the same side of the ring. 
D)  The axial and equatorial positions on each carbon atom are on the same side of the ring. 
A)  Each carbon atom of the ring has two groups bonded to it in equatorial positions. 
B)  Each carbon atom of the ring has one group bonded to it in an equatorial position. 
C)  The equatorial positions are all on the same side of the ring. 
D)  The axial and equatorial positions on each carbon atom are on the same side of the ring.

Question 14

Which of the following reactions will consume the most oxygen?

Accepted Answer

A)  complete combustion of one mole of 3-ethylheptane 
B)  complete combustion of one mole of 3,5-dimethylheptane 
C)  complete combustion of one mole of 2,2-dimethyloctane 
D)  None, they all consume the same amount of oxygen. 
A)  complete combustion of one mole of 3-ethylheptane 
B)  complete combustion of one mole of 3,5-dimethylheptane 
C)  complete combustion of one mole of 2,2-dimethyloctane 
D)  None, they all consume the same amount of oxygen.

Question 15

Which of the following line-angle structures is 4-isopropyloctane?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 16

Which of the following are representations of the same molecule? (i)
CH3CH2CH2CH2CH2CH2(ii)   (iii)

Accepted Answer

A)  only (i) and (ii) 
B)  only (i) and (iii) 
C)  only (ii) and (iii) 
D)  all of them 
A)  only (i) and (ii) 
B)  only (i) and (iii) 
C)  only (ii) and (iii) 
D)  all of them

Question 17

Which of the following molecules have the trans configuration?

Accepted Answer

A)  (i) and (ii) 
B)  (i) and (iii) 
C)  (ii) and (iii) 
D)  only (i) 
A)  (i) and (ii) 
B)  (i) and (iii) 
C)  (ii) and (iii) 
D)  only (i)

Question 18

Which of the following statements is true?

Accepted Answer

A)  Carbon tetrachloride, CCl4 was once widely used as a degreasing solvent. 
B)  Carbon tetrachloride, CCl4 is both toxic and carcinogenic. 
C)  Dichloromethane CH2Cl2 is currently a widely used organic solvent. 
D)  All three statements are true. 
A)  Carbon tetrachloride, CCl4 was once widely used as a degreasing solvent. 
B)  Carbon tetrachloride, CCl4 is both toxic and carcinogenic. 
C)  Dichloromethane CH2Cl2 is currently a widely used organic solvent. 
D)  All three statements are true.

Question 19

Which of the following has the highest boiling point?

Accepted Answer

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

Question 20

How many different substituent groups can obtained by removing a hydrogen atom from butane?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Exam 11: Alkanes

What is the typical size of the hydrocarbons found in gasoline?

What is the IUPAC name of the following compound?

Which of the following is(are) constitutional isomer(s) of hexane, CH3(CH2)4CH3?

What is the molecular formula for the following compound?

What is the correct IUPAC name for the following compound?

Dodecane is a 12 carbon alkane. How many hydrogen atoms are in dodecane?

Which of the following is a correct IUPAC name?

Which is the correct IUPAC name for the following compound?

What is the correct structure for trans-1,2-dimethylcyclopropane?

How many moles of O2 are consumed by the complete combustion of one mole of propane, C3H8?

Which of the following has the lowest boiling point?

Which of the following will be essentially insoluble in water?

Which of the following is true of the equatorial positions in cyclohexane?

Which of the following reactions will consume the most oxygen?

Which of the following line-angle structures is 4-isopropyloctane?

Which of the following are representations of the same molecule? (i) CH3CH2CH2CH2CH2CH2(ii) (iii)

Which of the following molecules have the trans configuration?

Which of the following statements is true?

Which of the following has the highest boiling point?

How many different substituent groups can obtained by removing a hydrogen atom from butane?

Matter, Energy, and Measurement

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Filters

Which of the following is(are) constitutional isomer(s) of hexane, CH₃(CH₂)₄CH₃?

How many moles of O₂ are consumed by the complete combustion of one mole of propane, C₃H₈?

Which of the following are representations of the same molecule? (i) CH₃CH₂CH₂CH₂CH₂CH₂(ii) (iii)