Question 1

Hydrogenation of unsaturated vegetable oils raises the melting point.

Accepted Answer

A) True 
 B)False

Question 2

According to the IUPAC convention,alkyl substituents on a hydrocarbon chain should be listed in which order?

Accepted Answer

A)  alphabetical including prefixes
B)  alphabetical without considering prefixes
C)  in order with the substituent having the largest number of carbons first
D)  in order with the substituent having the smallest number of carbons first
E)  in order with the substituent having the largest total number of carbons firstF) A) and B)
G) A) and E)

Question 3

Hydrogenation is used to convert alkenes to alkanes.

Accepted Answer

A) True 
 B)False

Question 4

Hydrocarbons are the primary constituents of ________.

Accepted Answer

A)  drugs
B)  food flavors
C)  fuels
D)  fruit juices
E)  disinfectantsF) B) and E)
G) None of the above

Question 5

What is the IUPAC name of the nine-carbon continuous-chain alkane?

Accepted Answer

A)  hexane
B)  heptane
C)  octane
D)  nonane
E)  decaneF) A) and B)
G) B) and D)

Question 6

Octane is a seven carbon linear alkane.

Accepted Answer

A) True 
 B)False

Question 7

Some alkenes have geometric (cis-trans) isomers because ________.

Accepted Answer

A)  the carbon atoms in the double bond cannot rotate
B)  each of the carbon atoms in the double bond has four different groups attached to it
C)  one of the carbon atoms in the double bond has two identical groups attached to it
D)  the carbon atoms in the double bond are free to rotate
E)  all of the carbon atoms in the compound are rigid and cannot rotateF) A) and C)
G) All of the above

Question 8

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 middleD) B) and C)
E) None of the above

Question 9

What is the IUPAC name of the following compound? CH3
∣
CH3-CH2-CH2-CH2-CH-CH3

Accepted Answer

A)  heptane
B)  methylhexane
C)  5-methylhexane
D)  2-methylhexane
E)  2-methylpentaneF) A) and D)
G) D) and E)

Question 10

What is the IUPAC 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-penteneF) B) and E)
G) B) and D)

Question 11

What is the IUPAC name of this compound?

Accepted Answer

A)  2,2-dimethylpentane
B)  2,4-dimethylpentane
C)  heptane
D)  2-methylhexane
E)  1,1,3-trimethylbutaneF) B) and D)
G) All of the above

Question 12

What is the IUPAC name of this compound?  -  -  -  -  -  -

Accepted Answer

A)  hexane
B)  heptane
C)  octane
D)  butane
E)  pentaneF) B) and D)
G) None of the above

Question 13

The compound shown below is cis-3-hexene.

Accepted Answer

A) True 
 B)False

Question 14

What is the IUPAC name of the following compound?

Accepted Answer

A)  5-methyl-1-hexene
B)  2-methyl-1-hexene
C)  2-methyl-5-hexene
D)  5-methyl-2-hexene
E)  1-hexeneF) A) and B)
G) C) and D)

Question 15

What is the condensed structural formula of the compound propene?

Accepted Answer

A)     
B)    C   
C)    C  C  
D)    -CH  
E)  HC  C F) A) and B)
G) B) and C)

Question 16

Organic chemistry is the study of the chemistry of compounds of ________.

Accepted Answer

A)  oxygen
B)  hydrogen
C)  living things
D)  polymers
E)  carbonF) D) and E)
G) B) and D)

Question 17

What is the IUPAC name of the alkyl group  -  -  -?

Accepted Answer

A)  propane
B)  methyl
C)  ethane
D)  ethyl
E)  propylF) A) and E)
G) A) and D)

Question 18

Organic liquids are usually less dense than water.

Accepted Answer

A) True 
 B)False

Question 19

Most organic compounds are flammable.

Accepted Answer

A) True 
 B)False

Question 20

Carbon atoms always have how many covalent bonds?

Accepted Answer

A)  one
B)  two
C)  three
D)  four
E)  fiveF) A) and E)
G) A) and B)

Exam 11: Introduction to Organic Chemistry: Hydrocarbons

Carbon atoms always have how many covalent bonds?

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Some alkenes have geometric (cis-trans) isomers because ________.

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Organic chemistry is the study of the chemistry of compounds of ________.

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Most organic compounds are flammable.

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The compound shown below is cis-3-hexene.

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

Correct AnswerverifiedShow Answer

Hydrogenation is used to convert alkenes to alkanes.

Correct AnswerverifiedShow Answer

What is the IUPAC name of this compound? - - - - - -

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What is the IUPAC name of the nine-carbon continuous-chain alkane?

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What is the IUPAC name of the following compound?

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What is the IUPAC name of the following compound? CH3 ∣ CH3-CH2-CH2-CH2-CH-CH3

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Organic liquids are usually less dense than water.

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What is the IUPAC name of the alkyl group - - -?

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What is the IUPAC name of the compound shown below?

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Hydrocarbons are the primary constituents of ________.

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What is the IUPAC name of this compound?

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Octane is a seven carbon linear alkane.

Correct AnswerverifiedShow Answer

According to the IUPAC convention,alkyl substituents on a hydrocarbon chain should be listed in which order?

Correct AnswerverifiedShow Answer

Hydrogenation of unsaturated vegetable oils raises the melting point.

Correct AnswerverifiedShow Answer

What is the condensed structural formula of the compound propene?

Correct AnswerverifiedShow Answer

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