Properties and Uses of Saturated Hydrocarbons Answers
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1
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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.2
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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.3
Which lists straight-chain alkanes from lowest to highest boiling point?
A
butane, hexane, propane, octaneB
ethane, pentane, heptane, octaneC
methane, nonane, butane, octaneD
decane, hexane, butane, propane4
What is the name of this hydrocarbon?
A
2,3-dimethylpentaneB
3,4-dimethylbutaneC
3,4-diethylpentaneD
2,3-diethylbutane5
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-6
Saturated hydrocarbons with what length of carbon chain are the best lubricants?
A
1–2B
5–8C
17–35D
more than 357
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.8
What is a characteristic of straight chained alkanes?
A
They have one or more rings of carbon atoms.B
They have carbon atoms that are double-bonded to other carbon atoms.C
They have more than two carbons that are bonded to only one other carbon.D
They have carbons bonded in a single row from one end of the molecule to the other end of the molecule.9
Which compound is used to make asphalt?
A
a saturated hydrocarbon that has more than 35 carbons in its chainB
a saturated hydrocarbon that has between 17 and 35 carbons in its chainC
a saturated hydrocarbon that has between 5 and 8 carbons in its chainD
a saturated hydrocarbon that has between 1 and 2 carbons in its chain10
Consider the alkane below.Which property differentiates this alkane from other classes of alkanes?
A
the shapeB
the types of bondsC
the number of carbon atomsD
the number of hydrogen atomsDid you find these answers helpful?
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