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Chapter 12: Q12.108P (page 497)

How does the random coil shape relate to the radius of gyration of a polymer chain?

Short Answer

Expert verified

To determine the size of the coiled chain polymer the radius of gyration is used.

Step by step solution

01

Definition

It is defined as the average distance between the center of mass of the molecule and the outer edge of the coil.

02

Concept 

The radius of gyration of the macromolecule is more meaningful as

it gives a sense of the size of the polymer coil, instead of the end-end distance.

Hence, the square radius of gyration is the average squared distance of any point in the object (polymer coil) from its center of mass.

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