Question 1

Hydrocarbons are the primary constituents of

Accepted Answer

A)  drugs.
B)  food flavors.
C)  fossil fuels.
D)  fruit juices.
E)  disinfectants.F) C) and D)
G) C) and E)

Question 2

An alkyne containing three carbons is named propyne.

Accepted Answer

A) True 
 B)False

Question 3

A formula that shows the arrangement of all bonds in a molecule is called a(n)

Accepted Answer

A)  molecular formula.
B)  complete structural formula.
C)  condensed structural formula.
D)  condensed molecular formula.
E)  isomeric formula.F) B) and D)
G) A) and D)

Question 4

What is the major product of the reaction shown below?

Accepted Answer

A)   
B)  
C)  CH₃- CH2 - CH2 - CH2 OH
D)   
E)   F) A) and D)
G) B) and E)

Question 5

What is the IUPAC name for the following compound?

Accepted Answer

A)  1-pentene
B)  2-pentene
C)  3-pentene
D)  1-methylbutene
E)  2-pentyneF) A) and E)
G) A) and B)

Question 6

In a molecule with a symmetrical arrangement of polar bonds, the overall molecule is

Accepted Answer

A)  highly polar.
B)  somewhat polar.
C)  nonpolar.
D)  reverse polar.
E)  strongly reverse polar.F) A) and D)
G) D) and E)

Question 7

Most organic compounds are flammable.

Accepted Answer

A) True 
 B)False

Question 8

The first four linear alkyl substituent groups are named methyl, ethyl, propyl, and butyl.

Accepted Answer

A) True 
 B)False

Question 9

The structural formula of benzene is often represented as a

Accepted Answer

A)  ring of five carbon atoms.
B)  ring of six carbon atoms with six double bonds.
C)  ring of six carbon atoms with a circle in the center.
D)  cycloalkane.
E)  cycloalkyne.F) B) and D)
G) C) and D)

Question 10

What is the IUPAC name for this alkane?

Accepted Answer

A)  2-ethyl-3-methylpentane
B)  4-ethyl-3-methylpentane
C)  3, 4-dimethylhexane
D)  2, 3-diethylbutane
E)  octaneF) All of the above
G) A) and E)

Question 11

Which of the following compounds could have the molecular formula C7H16?

Accepted Answer

A)  hexane
B)  pentane
C)  2-methylheptane
D)  2,3-dimethylpentane
E)  3-ethylhexaneF) A) and B)
G) B) and E)

Question 12

VSEPR theory predicts that simple carbon compounds will form bonds that are

Accepted Answer

A)  as far apart as possible.
B)  as close together as possible.
C)  arranged in a straight line.
D)  pointed to the corners of a cube.
E)  pointed to the corners of a triangle.F) B) and C)
G) A) and E)

Question 13

What is(are)  the product(s)  of the complete combustion of any hydrocarbon?

Accepted Answer

A)  CO only
B)  CO2 only
C)  CO + H2O
D)  CO2 + H2O
E)  H2O onlyF) B) and D)
G) All of the above

Question 14

When naming an alkane, the main chain is the longest continuous carbon chain regardless of bends.

Accepted Answer

A) True 
 B)False

Question 15

Most prescription drugs are organic molecules.

Accepted Answer

A) True 
 B)False

Question 16

A molecule containing a carbon atom bonded to four chlorine atoms has the shape of a

Accepted Answer

A)  triangle.
B)  rhombus.
C)  square.
D)  cube.
E)  tetrahedron.F) B) and D)
G) A) and D)

Question 17

An alkyne is always a carbon compound that contains a ________ bond.

Accepted Answer

A)  single
B)  double
C)  triple
D)  aromatic
E)  hydrogenF) All of the above
G) B) and C)

Question 18

What is the condensed structural formula for the product of the hydrogenation of 2-butene using a platinum catalyst?

Accepted Answer

A)  CH₃-CH= CH-CH₃
B)   
C)  CH₃-CH2-CH2-CH₃
D)  
E)  F) B) and D)
G) All of the above

Question 19

What is the molecular formula of benzene?

Accepted Answer

A)  C6H₄
B)  C6H6
C)  C6H8
D)  C6H10
E)  C6H12F) D) and E)
G) B) and D)

Question 20

What type of compound is CH₃ -CH2-CH₃ ?

Accepted Answer

A)  alkane
B)  branched alkane
C)  cycloalkane
D)  haloalkane
E)  isomerF) C) and D)
G) A) and E)

Exam 12: Introduction to Organic Chemistry: Hydrocarbons

The first four linear alkyl substituent groups are named methyl, ethyl, propyl, and butyl.

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Most organic compounds are flammable.

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VSEPR theory predicts that simple carbon compounds will form bonds that are

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What is the major product of the reaction shown below?

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Hydrocarbons are the primary constituents of

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A formula that shows the arrangement of all bonds in a molecule is called a(n)

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Which of the following compounds could have the molecular formula C7H16?

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An alkyne containing three carbons is named propyne.

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The structural formula of benzene is often represented as a

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What is the molecular formula of benzene?

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A molecule containing a carbon atom bonded to four chlorine atoms has the shape of a

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What is(are) the product(s) of the complete combustion of any hydrocarbon?

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What type of compound is CH₃ -CH2-CH₃ ?

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Most prescription drugs are organic molecules.

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What is the IUPAC name for this alkane?

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What is the condensed structural formula for the product of the hydrogenation of 2-butene using a platinum catalyst?

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What is the IUPAC name for the following compound?

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When naming an alkane, the main chain is the longest continuous carbon chain regardless of bends.

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An alkyne is always a carbon compound that contains a ________ bond.

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In a molecule with a symmetrical arrangement of polar bonds, the overall molecule is

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What type of compound is CH₃ -CH₂-CH₃ ?

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