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Questions  >>  JEEMAIN and NEET  >>  Chemistry  >>  Polymers
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The number average molecular mass and mass average molecular mass of a polymer are respectively 30,000 and 40,000. The poly dispersity index of the polymer is

$\begin {array} {1 1} (a)\;< 1 & \quad (b)\;> 1 \\ (c)\;1 & \quad (d)\;0 \end {array}$

 

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