AnswersFoothill-B Period-Chemistry-2627BLab: Titration

Properties and Uses of Saturated Hydrocarbons Answers

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Consider the alkane below.Which property differentiates this alkane from other classes of alkanes?

Question illustration
A
the shape
B
the types of bonds
C
the number of carbon atoms
D
the number of hydrogen atoms
2
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What is the name of this hydrocarbon?

Question illustration
A
2,3-dimethylpentane
B
3,4-dimethylbutane
C
3,4-diethylpentane
D
2,3-diethylbutane
3

Which compound is used to make asphalt?

A
a saturated hydrocarbon that has more than 35 carbons in its chain
B
a saturated hydrocarbon that has between 17 and 35 carbons in its chain
C
a saturated hydrocarbon that has between 5 and 8 carbons in its chain
D
a saturated hydrocarbon that has between 1 and 2 carbons in its chain
4

Which of these compounds would most likely be found in a deposit of natural gas?

A
CH4
B
CH3OH
C
CH3CH2CH2CH2CH2CH2CH2CH3
D
CH3CH2CH2CH2CH2CH2CH2CH2OH
5

What is a property of all alkanes?

A
They are highly reactive.
B
They are insoluble in water.
C
They have the same boiling point.
D
They have a tendency not to burn.
6

Why do thicker lubricating oils have higher melting points?

A
They have longer chains of carbons.
B
Higher density always means higher melting point.
C
Unsaturated hydrocarbons have a higher density than saturated hydrocarbons.
D
Thicker oils are more solid than liquid, so they have another phase change to complete.
7

What is the name of this hydrocarbon?

Question illustration
A
3-isopentane
B
2-methylbutane
C
3-methylbutane
D
1,2-methylpropane
8

Which prefix is used to indicate that the main chain of a hydrocarbon contains four carbon atoms?

A
quad-
B
non-
C
but-
D
prop-
9

What is the name of this hydrocarbon?

Question illustration
A
2,3-dimethylpentane
B
3,4-dimethylbutane
C
3,4-diethylpentane
D
2,3-diethylbutane
10

Which lists straight-chain alkanes from lowest to highest boiling point?

A
butane, hexane, propane, octane
B
ethane, pentane, heptane, octane
C
methane, nonane, butane, octane
D
decane, hexane, butane, propane
11

How does a straight-chain alkane that has five carbon atoms differ from a cycloalkane that has five carbon atoms?

A
The straight-chain alkane has at least one double or triple bond, but the cycloalkane has only single bonds.
B
The straight-chain alkane has only single bonds, but the cycloalkane has at least one double or triple bond.
C
The straight-chain alkane has two more hydrogen atoms than the cycloalkane.
D
The straight-chain alkane has two fewer hydrogen atoms than the cycloalkane.
12

When is di- used in the name of a hydrocarbon?

A
when the main chain contains two carbon atoms
B
when there are two different substituents
C
when there are two main chains of equal length
D
when there are two identical substituents
13

Consider the alkane below.Which property differentiates this alkane from other classes of alkanes?

Question illustration
A
the shape
B
the types of bonds
C
the number of carbon atoms
D
the number of hydrogen atoms
14

Saturated hydrocarbons with what length of carbon chain are the best lubricants?

A
1–2
B
5–8
C
17–35
D
more than 35

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