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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