Q113 · CSIR NET Chemistry, December 2015
Paper: CSIR NET December 2015 · Subject: Physical Chemistry · Chapter: Polymer Chemistry · Topic: Molecular Weight Averages · Marks: 2 · Difficulty: Medium
The correct expression for the product $(\bar{M}_n \cdot \bar{M}_w)$ [$\bar{M}_n$ and $\bar{M}_w$ are the number average and weight average molar masses, respectively, of a polymer] is
(a)$N^{-1}\Sigma_i N_i M_i$
(b)$N^{-1}\Sigma_i N_i M_i^{2}$
(c)$N/\Sigma_i N_i M_i$
(d)$N/\Sigma_i N_i M_i^{2}$
Answer
Answer (as printed): B
Explanation
No explanation was printed for this question.
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