Waec Model Questions Vol1 2025 Chemistry Question 32
Practice objective / multiple choice question 32 from the 2025 Waec Model Questions Vol1 Chemistry examination.
In a step‑growth polymerisation of a bifunctional monomer (M₀ = 150 g mol⁻¹) the measured number‑average molecular weight (Mₙ) is 3000 g mol⁻¹. Assuming ideal polymerisation, (a) calculate the extent of reaction p, and (b) if a subsequent chain‑scission process reduces the degree of polymerisation by 20 %, what is the new Mₙ?
Answer Options
About This Question
This is Waec Model Questions Vol1 2025 Chemistry Question 32. It is one of the objective questions from the 2025 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.