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AP EAMCET2010ChemistryPolymers

If the number average molecular weight and weight average molecular weight of a polymer are 40000 and 60000 respectively, the polydispersity index of the polymer will be

Options

  1. A>1
  2. B< 1
  3. C1
  4. Dzero

Correct answer

A. >1

Step-by-step solution

Polydispersity index, PDI = M _w M _n where, M _w= weight average molecular weight M _n= number average molecular weight PDI = 60000 40000 =1.5 ie, >1

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