Properties and Uses of Unsaturated Hydrocarbons Answers
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1
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What is the name for this molecule?
A
noneneB
nonaneC
1-octyneD
1-octene2
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Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes?
A
Identify the longest chain of carbon atoms.B
Examine the multiple bond for cis- and trans- isomers.C
Number the chain of carbons, starting with the end nearest the multiple bond.D
Add a number prefix indicating the first carbon atom in the multiple bond.3
Which of the molecules below is propyne?
A
Two carbons are double bonded to each other; the pair is single bonded to H above left, below left, and below right, and to C H 3 above right.
B
Two carbons are double bonded to each other; the pair is single bonded to C H 3 above left and right, and to H below left and right.
C
An H is single bonded to C, which is triple bonded to another C, which in turn is single bonded to a C with H above and below and yet another C to the right; the final C is bonded to H above, below, and right.
D
An H is single bonded to C, which is triple bonded to another C, which in turn is single bonded to a C which is bonded to H above, below, and right.
4
Rubber is manufactured from latex that is produced from rubber trees. Which statement about rubber is true?
A
It is made from the polymerization of a long chain of aromatic molecules.B
It is made from the polymerization of a short chain of chloroprene molecules.C
It is made from the polymerization of a long chain of alkene molecules.D
It is made from the polymerization of a short chain of styrene molecules.5
Plant oils are made up of small organic molecules that are called terpenes. The compound below is an example of one type of terpene.Which best describes this compound?
A
a manufactured, branched-chain alkyneB
a naturally occurring, aromatic hydrocarbonC
a manufactured, straight-chain alkeneD
a naturally occurring, branched-chain alkene6
Which is composed of alkynes?
A
acetyleneB
margarineC
rubber tiresD
polystyrene cups7
Consider the hydrocarbon below.What is the name of this hydrocarbon?
A
propeneB
penteneC
buteneD
ethene8
Which is composed of alkynes?
A
acetyleneB
margarineC
rubber tiresD
polystyrene cups9
Which is composed of aromatic hydrocarbons?
A
clothingB
barbeque fuelC
pain relieversD
polyvinyl chlorideDid you find these answers helpful?
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