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Polymers

Question
CBSEENCH12009349
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How does the presence of double bonds in rubber molecules influence their structure and reactivity?

Solution
From the structural point of view, the natural rubber is a linear cis-1, 4-polyisoprene. In this polymer the double bonds are located between C2 and C3 of isoprene units. This cis-configuration about double bonds do not allow the chains to come closer for effective attraction due to weak intermolecular attractions. Hence, the natural rubber has a coiled structure and shows elasticity.

Some More Questions From Polymers Chapter

Explain the terms polymer and monomer.

How do you explain the functionality of a monomer?

Define the term polymerization.

Is (NH—CHR—CO)n, a homopolymer or copolymer?

What is the basic unit of polymer called?

What is an addition polymer?

What is condensation polymer?

Give one example each of (i) Addition polymer (ii) Condensation polymer.

Give two examples of chain growth polymers.

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