Question 1

What is the name for the following?

Accepted Answer

A) hexane 
B) dimethylbutane 
C) 3,3-dimethylbutane 
D) 2,2-dimethylbutane 
E) 2-dimethylbutane 
A) hexane 
B) dimethylbutane 
C) 3,3-dimethylbutane 
D) 2,2-dimethylbutane 
E) 2-dimethylbutane

Question 2

Mineral oil is a liquid hydrocarbon used as a laxative and lubricant in medical practice.

Accepted Answer

A) True 
 B)False

Question 3

According to the IUPAC convention, alkyl group names should be located ________ of the name of the main chain.

Accepted Answer

A) in front 
B) at the end 
C) in the middle 
A) in front 
B) at the end 
C) in the middle

Question 4

The compound below is named

Accepted Answer

A) cyclohexane. 
B) cyclohexene. 
C) cyclohexyne. 
D) benzene. 
E) cyclobenzene. 
A) cyclohexane. 
B) cyclohexene. 
C) cyclohexyne. 
D) benzene. 
E) cyclobenzene.

Question 5

The reaction of an alkene and water in the presence of an acid catalyst to produce an alcohol is called

Accepted Answer

A) hydrolysis. 
B) alkoholysis. 
C) halogenation. 
D) hydration. 
E) hydrohydration. 
A) hydrolysis. 
B) alkoholysis. 
C) halogenation. 
D) hydration. 
E) hydrohydration.

Question 6

What is the name for a five-carbon continuous-chain alkane?

Accepted Answer

A) methane 
B) ethane 
C) propane 
D) butane 
E) pentane 
A) methane 
B) ethane 
C) propane 
D) butane 
E) pentane

Question 7

All alkenes show cis-trans isomerism.

Accepted Answer

A) True 
 B)False

Question 8

What is the name of the compound shown below?

Accepted Answer

A) 2-pentene 
B) trans-2-pentene 
C) trans-3-pentene 
D) cis-2-pentene 
E) cis-3-pentene 
A) 2-pentene 
B) trans-2-pentene 
C) trans-3-pentene 
D) cis-2-pentene 
E) cis-3-pentene

Question 9

Hydration is used to convert alkenes to alkanes.

Accepted Answer

A) True 
 B)False

Question 10

An organic compound composed of carbon and hydrogen connected only by single bonds is an

Accepted Answer

A) alkane. 
B) alkene. 
C) alkyne. 
D) aromatic compound. 
E) alcohol. 
A) alkane. 
B) alkene. 
C) alkyne. 
D) aromatic compound. 
E) alcohol.

Question 11

What is the name of   ?

Accepted Answer

A) pentane 
B) methylpentane 
C) 2-methylpentane 
D) 4-methylpentane 
E) hexane 
A) pentane 
B) methylpentane 
C) 2-methylpentane 
D) 4-methylpentane 
E) hexane

Question 12

The reaction of butane with oxygen is called

Accepted Answer

A) substitution. 
B) addition. 
C) neutralization. 
D) combustion. 
E) titration. 
A) substitution. 
B) addition. 
C) neutralization. 
D) combustion. 
E) titration.

Question 13

What is the name of CH₃ - CH2- CH2- CH₃ ?

Accepted Answer

A) ethane 
B) propane 
C) butane 
D) pentane 
E) hexane 
A) ethane 
B) propane 
C) butane 
D) pentane 
E) hexane

Question 14

Methane has a tetrahedral structure.

Accepted Answer

A) True 
 B)False

Question 15

According to Markovnikov's rule, the hydrogen in HOH (water) adds to the carbon in the double bond

Accepted Answer

A) attached to the end carbon. 
B) that has the smaller number of hydrogen atoms attached. 
C) that has the greater number of hydrogen atoms attached. 
D) that has the smaller number of carbon atoms attached. 
E) that has the greater number of carbon atoms attached. 
A) attached to the end carbon. 
B) that has the smaller number of hydrogen atoms attached. 
C) that has the greater number of hydrogen atoms attached. 
D) that has the smaller number of carbon atoms attached. 
E) that has the greater number of carbon atoms attached.

Question 16

Which of the following pairs of compounds are cis-trans isomers?

Accepted Answer

A)    
B)    
C) HC ≡ C - CH₃And CH₃ - C ≡ CH 
D)    
E)    
A)    
B)    
C) HC ≡ C - CH₃And CH₃ - C ≡ CH 
D)    
E)

Question 17

The reaction for the combustion of heptane is C7H16 + 11O2 → 7CO2 + 8H2O. How many liters of CO2 at STP are produced from the complete combustion of 2.00 moles of heptane?

Accepted Answer

A) 44.8 L 
B) 22.4 L 
C) 157 L 
D) 246 L 
E) 314 L 
A) 44.8 L 
B) 22.4 L 
C) 157 L 
D) 246 L 
E) 314 L

Question 18

Polymers are large molecules consisting of repeating units.

Accepted Answer

A) True 
 B)False

Question 19

What is the name for a two-carbon alkyl group?

Accepted Answer

A) methyl 
B) ethyl 
C) propyl 
D) butyl 
E) pentyl 
A) methyl 
B) ethyl 
C) propyl 
D) butyl 
E) pentyl

Question 20

What is the name of the continuous chain alkane with six carbon atoms?

Accepted Answer

A) butane 
B) pentane 
C) hexane 
D) heptane 
E) octane 
A) butane 
B) pentane 
C) hexane 
D) heptane 
E) octane

Exam 12: Introduction to Organic Chemistry: Hydrocarbons

What is the name for the following?

Mineral oil is a liquid hydrocarbon used as a laxative and lubricant in medical practice.

According to the IUPAC convention, alkyl group names should be located ________ of the name of the main chain.

The compound below is named

The reaction of an alkene and water in the presence of an acid catalyst to produce an alcohol is called

What is the name for a five-carbon continuous-chain alkane?

All alkenes show cis-trans isomerism.

What is the name of the compound shown below?

Hydration is used to convert alkenes to alkanes.

An organic compound composed of carbon and hydrogen connected only by single bonds is an

What is the name of ?

The reaction of butane with oxygen is called

What is the name of CH₃ - CH2- CH2- CH₃ ?

Methane has a tetrahedral structure.

According to Markovnikov's rule, the hydrogen in HOH (water) adds to the carbon in the double bond

Which of the following pairs of compounds are cis-trans isomers?

The reaction for the combustion of heptane is C7H16 + 11O2 → 7CO2 + 8H2O. How many liters of CO2 at STP are produced from the complete combustion of 2.00 moles of heptane?

Polymers are large molecules consisting of repeating units.

What is the name for a two-carbon alkyl group?

What is the name of the continuous chain alkane with six carbon atoms?

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