Deck 6: Hydrocarbons: The Framework of Life

Question 1

Which of the following is the structural formula for heptane?

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

Answer 1

B

Question 2

What is the simple name of this compound?

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

Answer 2

C

Question 3

What is the name of this compound?

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

Answer 3

E

Question 4

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

A)
B)
C)
D)
E)

Question 5

Ethyne is represented by which of the following structural formulae?

A)
B)
C)
D)
E)

Question 6

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.

Question 7

Which of the following is an alkyl group?

A) -NH₂
B)
C) -OH
D)
E) -CH₂CH₃

Question 8

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

Question 9

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

A) Alkene
B) Alkane
C) Alkyne

Question 10

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

Question 11

An alkyl group is represented by which letter?

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

Question 12

Which of the following is an aryl group?

A)
B) -CH₂CH₃
C) -OH
D)
E)

Question 13

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

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

Question 14

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

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

Question 15

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

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

Question 16

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

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