Question 1

How many secondary carbons are in the molecule (CH3) 2CH(CH2) 2CH3?

Accepted Answer

A)  0
B)  1
C)  2
D)  3
E)  4F) A) and D)
G) A) and C)

Question 2

Which has the highest boiling point?

Accepted Answer

A)  Natural gas
B)  Lubricating oil
C)  Gasoline
D)  Kerosene
E)  Fuel oilF) B) and E)
G) A) and E)

Question 3

The IUPAC name of the molecule (CH3)2CH(CH2)2CH3 is 2-methylhexane.

Accepted Answer

A) True 
 B)False

Question 4

Which balanced chemical equation represents the incomplete combustion of a hydrocarbon?

Accepted Answer

A)  CH3CH2CH3 + 5 O2 → 3 CO2 + 4 H2O
B)  2 CH3CH2CH3 + 7 O2 → 6 CO + 8 H2O
C)  C36H74 + 36 O2 → 36 CO + 37 H2O
D)  C26H50 + 33 O2 → 16 CO2 + 10 CO + 25 H2OE) All of the above
F) A) and B)

Question 5

Alkyl groups are named by changing the -ane ending of the parent alkane to the suffix ________.

Accepted Answer

The answer of Alkyl groups are named by changing the...

Question 6

The products of the incomplete combustion of an alkane are ________ and water.

Accepted Answer

carbon mon...

Question 7

Octane is a saturated hydrocarbon with eight carbons attached in a continuous chain.

Accepted Answer

A) True 
 B)False

Question 8

The IUPAC name of the compound below is ________.

Accepted Answer

3,3-diethy...

Question 9

Shark liver oil is approximately 14% pristane (C19H40). Pristane is an acyclic alkane.

Accepted Answer

A) True 
 B)False

Question 10

The IUPAC name of the compound below is ________.

Accepted Answer

The answer of The IUPAC name of the compound below...

Question 11

5-methyl-5-propylnonane is a valid IUPAC name for an alkane.

Accepted Answer

A) True 
 B)False

Question 12

Alkanes containing only secondary carbon atoms do not exist.

Accepted Answer

A) True 
 B)False

Question 13

Cyclic alkanes are planar molecules containing one or more rings of carbon.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following pairs of compounds are constitutional isomers?

Accepted Answer

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

Question 15

Branching in an alkane chain decreases surface area. With this in mind,which of the following alkanes has the highest boiling point?

Accepted Answer

A)  (CH3) 2CHCH2CH2CH2CH2CH3
B)  (CH3) 2CHCH2CH2CH(CH3) 2
C)  CH3CH2CH2CH2CH2CH2CH2CH3
D)  (CH3) 3CC(CH3) 3E) A) and B)
F) None of the above

Question 16

What is the structure of butylcyclopentane?

Accepted Answer

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

Question 17

5-ethyl-2-methylhexane is a valid IUPAC name for an alkane.

Accepted Answer

A) True 
 B)False

Question 18

What is the structure of 4 propyloctane?

Accepted Answer

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

Question 19

There are ________ carbons in the longest continuous chain of carbons in the molecule below.

Accepted Answer

The answer of There are ________ carbons in the longest...

Question 20

Which formula represents a cyclic alkane?

Accepted Answer

A)  C10H18
B)  C10H22
C)  C9H20
D)  C10H20
E)  C11H20F) B) and D)
G) C) and D)

Exam 12: Alkanes

Shark liver oil is approximately 14% pristane (C19H40). Pristane is an acyclic alkane.

Correct AnswerverifiedShow Answer

What is the structure of 4 propyloctane?

Correct AnswerverifiedShow Answer

The products of the incomplete combustion of an alkane are ________ and water.

Correct Answerverifiedcarbon mon...View AnswerShow Answer

Cyclic alkanes are planar molecules containing one or more rings of carbon.

Correct AnswerverifiedShow Answer

How many secondary carbons are in the molecule (CH3) 2CH(CH2) 2CH3?

Correct AnswerverifiedShow Answer

Which of the following pairs of compounds are constitutional isomers?

Correct AnswerverifiedShow Answer

The IUPAC name of the compound below is ________.

Correct Answerverified3,3-diethy...View AnswerShow Answer

5-ethyl-2-methylhexane is a valid IUPAC name for an alkane.

Correct AnswerverifiedShow Answer

There are ________ carbons in the longest continuous chain of carbons in the molecule below.

Correct AnswerverifiedShow Answer

Which balanced chemical equation represents the incomplete combustion of a hydrocarbon?

Correct AnswerverifiedShow Answer

What is the structure of butylcyclopentane?

Correct AnswerverifiedShow Answer

Alkyl groups are named by changing the -ane ending of the parent alkane to the suffix ________.

Correct AnswerverifiedShow Answer

Octane is a saturated hydrocarbon with eight carbons attached in a continuous chain.

Correct AnswerverifiedShow Answer

Which has the highest boiling point?

Correct AnswerverifiedShow Answer

Which formula represents a cyclic alkane?

Correct AnswerverifiedShow Answer

The IUPAC name of the molecule (CH3)2CH(CH2)2CH3 is 2-methylhexane.

Correct AnswerverifiedShow Answer

Branching in an alkane chain decreases surface area. With this in mind,which of the following alkanes has the highest boiling point?

Correct AnswerverifiedShow Answer

Alkanes containing only secondary carbon atoms do not exist.

Correct AnswerverifiedShow Answer

The IUPAC name of the compound below is ________.

Correct AnswerverifiedShow Answer

5-methyl-5-propylnonane is a valid IUPAC name for an alkane.

Correct AnswerverifiedShow Answer

Shark liver oil is approximately 14% pristane (C₁₉H₄₀). Pristane is an acyclic alkane.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
carbon mon...
View Answer

Correct Answer
verified

How many secondary carbons are in the molecule (CH₃) ₂CH(CH₂) ₂CH₃?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
3,3-diethy...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The IUPAC name of the molecule (CH₃)₂CH(CH₂)₂CH₃ is 2-methylhexane.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified