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Which of the following statements about the hydrocarbons are true? Select all that apply.


A) Hydrocarbons contain atoms of only carbon and hydrogen
B) All hydrocarbons are polar.
C) Hydrocarbons have low melting and boiling points.
D) Unsaturated hydrocarbons contain only single bonds.
E) Hydrocarbons cannot form cyclic structures.

F) B) and C)
G) A) and B)

Correct Answer

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Which of the following is an alkyl group?


A) -NH2
B) Which of the following is an alkyl group? A) -NH<sub>2</sub> B) C) -OH D) E) -CH<sub>2</sub>CH<sub>3</sub>
C) -OH
D) Which of the following is an alkyl group? A) -NH<sub>2</sub> B) C) -OH D) E) -CH<sub>2</sub>CH<sub>3</sub>
E) -CH2CH3

F) B) and C)
G) A) and B)

Correct Answer

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Match the following alkanes with the number of carbon atoms each possesses. -Butane


A) 9
B) 8
C) 6
D) 12

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

Correct Answer

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Match the following descriptions with the hydrocarbon to which they relate -Contains only single carbon-carbon bonds


A) Alkene
B) Alkane
C) Alkyne

D) None of the above
E) A) and C)

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Match the following descriptions with the hydrocarbon to which they relate -Contains at least one double carbon-carbon bond


A) Alkene
B) Alkane
C) Alkyne

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

Correct Answer

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A

An alkyl group is represented by which letter?


A) Z
B) X
C) Y
D) R
E) A

F) A) and B)
G) A) and E)

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Ethyne is represented by which of the following structural formulae?


A) Ethyne is represented by which of the following structural formulae? A) B) C) D) E)
B) Ethyne is represented by which of the following structural formulae? A) B) C) D) E)
C) Ethyne is represented by which of the following structural formulae? A) B) C) D) E)
D) Ethyne is represented by which of the following structural formulae? A) B) C) D) E)
E) Ethyne is represented by which of the following structural formulae? A) B) C) D) E)

F) C) and D)
G) A) and B)

Correct Answer

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Match the following alkanes with the number of carbon atoms each possesses. -Decane


A) 10
B) 9
C) 7
D) 13

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

Correct Answer

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Match the following alkanes with the number of carbon atoms each possesses. -Hexane


A) 8
B) 7
C) 5
D) 11

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

Correct Answer

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B

Which of the following pairs of structural formulae represent the same compound? Select all that apply.


A) Which of the following pairs of structural formulae represent the same compound? Select all that apply. A) B) C) D) E)
B) Which of the following pairs of structural formulae represent the same compound? Select all that apply. A) B) C) D) E)
C) Which of the following pairs of structural formulae represent the same compound? Select all that apply. A) B) C) D) E)
D) Which of the following pairs of structural formulae represent the same compound? Select all that apply. A) B) C) D) E)
E) Which of the following pairs of structural formulae represent the same compound? Select all that apply. A) B) C) D) E)

F) A) and E)
G) A) and D)

Correct Answer

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Match the following descriptions with the hydrocarbon to which they relate -Contains at least one triple carbon-carbon bond


A) Alkene
B) Alkane
C) Alkyne

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

Correct Answer

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Which of the following is an aryl group?


A) Which of the following is an aryl group? A) B) -CH<sub>2</sub>CH<sub>3</sub> C) -OH D) E)
B) -CH2CH3
C) -OH
D) Which of the following is an aryl group? A) B) -CH<sub>2</sub>CH<sub>3</sub> C) -OH D) E)
E) Which of the following is an aryl group? A) B) -CH<sub>2</sub>CH<sub>3</sub> C) -OH D) E)

F) A) and B)
G) A) and C)

Correct Answer

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A

What is the name of this compound? What is the name of this compound? A) Hexene B) Hexane C) Hexyne D) Cyclohexane E) Cyclohexene


A) Hexene
B) Hexane
C) Hexyne
D) Cyclohexane
E) Cyclohexene

F) C) and D)
G) A) and B)

Correct Answer

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What is the simple name of this compound? What is the simple name of this compound? A) Ethene B) Propene C) Pentene D) Hexene E) Butene


A) Ethene
B) Propene
C) Pentene
D) Hexene
E) Butene

F) A) and B)
G) B) and D)

Correct Answer

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Which of the following is the structural formula for heptane?


A) CH3CH2CH2CH2CH2CH3
B) CH3CH2CH2CH2CH2CH2CH3
C) CH3CH2CH2CH3
D) CH3CH2CH2CH2CH2CH2CH2CH2CH2CH2CH3
E) CH3CH2CH2CH2CH3

F) A) and B)
G) A) and C)

Correct Answer

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Match the following alkanes with the number of carbon atoms each possesses. -Heptane


A) 7
B) 6
C) 4
D) 10

E) A) and C)
F) All of the above

Correct Answer

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