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If the number average molecular weight a...

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

A

gt 1

B

lt 1

C

1

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
A
`(overline(M)_(w)=60,000`
`(overline(M)_(n)=40,000`
Polydispersity index=`(overline(M)_(w))/(overline(M_(n)))=60000/40000=1.5>1`
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