Q72 · CSIR NET Chemistry, June 2019
Paper: CSIR NET June 2019 · Subject: Physical Chemistry · Chapter: Polymer Chemistry · Topic: Polymerisation Kinetics · Marks: 2 · Difficulty: Medium
The degree of polymerisation (<N>) and the fraction of monomer consumed (P) for apolymerization reaction are related as
(a)$\langle\mathrm{N}\rangle=\frac{1}{1-\mathrm{P}}$
(b)$\langle\mathrm{N}\rangle=\frac{1}{1+\mathrm{P}}$
(c)$\langle\mathrm{N}\rangle=\frac{1}{\mathrm{P}}$
(d)$\langle\mathrm{N}\rangle=\frac{1}{\mathrm{P}^{2}}$
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Carothers equation: ⟨N⟩ = 1/(1−P) (a).
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