Q68 · CSIR NET Chemistry, June 2017
Paper: CSIR NET June 2017 · Subject: Physical Chemistry · Chapter: Polymer Chemistry · Topic: Polymer Chemistry – General · Marks: 2 · Difficulty: Medium
A polydisperse polymer sample has ten molecules of molar mass 20,000 $\mathrm{g\,mol^{-1}}$ and fifteen molecules of molar mass 10,000 $\mathrm{g\,mol^{-1}}$. The number-average molar mass ($\mathrm{g\,mol^{-1}}$) ($\bar{M}_n$) of the sample is
(a)13,000
(b)14,000
(c)15,000
(d)16,000
Answer
Answer (as printed): B
Explanation
No explanation was printed for this question.
Study loop for Polymer Chemistry