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Compare between synthetic and natural rubbers.

Important Questions on Polymers

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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
On complete hydrogenation, natural rubber produces
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Natural rubber has:
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Natural rubber has unit in its structure.
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Which statement is correct?
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Neoprene is a
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
The structure of Neoprene is :
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Which one of the following monomer is used to prepare Neoprene?
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Which is true about Buna-N?
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Which of the following monomers is used in manufacture of Neoprene rubber?
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Which one of the following statements is not correct?
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Chloroprene is used as a repeating unit for which of the following polymer.
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Cis-1,4-polyisoprene is called
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Styrene-butadiene elastomers (SBR) are the largest-volume synthetic rubber in the world. What is the ratio of butadiene : styrene in SBR?
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In polymer Buna-S:'S' stands for:
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Natural rubber is a polymer of
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Vulcanization of rubber is carried out by heating a mixture of
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Given below are two statements, one is Assertion and other is Reason.

Assertion: Natural rubber is a linear polymer of isoprene called cis-polyisoprene with elastic properties.

Reason: The cis-polyisoprene molecules consist of various chains held together by strong polar interactions with coiled structure.

In the light of the above statements, choose the correct one from the options given below

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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Which one of the following structures represents the neoprene rubber?
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers

The correct match between item - I and item - II is :

  Item - I   Item - II
(a) Natural rubber (I) 1, 3-butadiene + styrene
(b) Neoprene (II) 1, 3-butadiene
(c) Buna-N (III) chloroprene
(d) Buna-S (IV) Isoprene

 

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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Which one of the following structures represents the neoprene polymer?