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Polymers

Question
CBSEENCH12011040
Wired Faculty App

Natural rubber has

  • All trans-configuration

  • Alternate cis and trans configuration

  • Random cis and trans configuration

  • All cis configuration

Solution

D.

All cis configuration

The repeating unit in natural rubber has the cis-configurations with chain extensions on the same side of the ethylene double bond, which is essential for elasticity. If the configuration is trans, the polymer is hard plastic.

All cis-configuration.

Some More Questions From Polymers Chapter

What are polymers?

How are polymers classified on the basis of structure?

Write the names of monomers of the following polymers:

Write the names of monomers of the following polymers:

Write the names of monomers of the following polymers:

Classify the following as addition and condensation polymers:
Terylene, Bakelite, Polyvinyl chloride, Polythene.

Explain the difference between Buna-N and Buna-S.

Arrange the following polymers in increasing order of their intermolecular forces.
Nylon 6, 6, Buna-S, Polythene.

Arrange the following polymers in increasing order of their intermolecular forces.
Nylon-6, Neoprene, Polyvinyl chloride.

Explain the terms polymer and monomer.

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