Chemistry (M.Phil./Ph.D.) 2021 Panjab University Entrance Exam With Answers

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28.

The polydispersity index of a polymer solution is defined as

A: The ratio of number average molecular weight and its weight average molecular weight.
B: The ratio of weight average molecular weight and its number average molecular weight
C: The product of number average molecular weight and weight average molecular weight
D: The difference in number average molecular weight and weight average molecular weight

The answer is: B