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6.2 Organic chemistry

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Question 9

A materials scientist makes a polymer coating from two monomers. Monomer P has a hydroxyl group, −OH-\mathrm{OH}−OH, at each end of its molecule. Monomer Q has a carboxyl group, −COOH-\mathrm{COOH}−COOH, at each end of its molecule.

Which statement describes this polymerisation?

[1]
A

Addition polymerisation forms a polyester and water.

B

Condensation polymerisation forms a polyester and water.

C

Condensation polymerisation forms a polyester as the only product.

D

Addition polymerisation forms a polyester as the only product.

Markscheme

6.2 Organic chemistry Questions

  1. GCSE
  2. /Chemistry
  3. /6.2 Organic chemistry

131 exam-style questions on OCR GCSE Chemistry 6.2 Organic chemistry, covering 6.2.1 Crude oil and fractional distillation, 6.2.2 Cracking and dependence on hydrocarbons, 6.2.3 Functional groups and homologous series, 6.2.4 Reactions of alkanes, alkenes and alcohols, 6.2.5 Addition polymerisation and repeat units, 6.2.6 Naturally occurring polymers, 6.2.7 Chemical cells and fuel cells, and 6.2.8 Condensation polymerisation and how to make one. Each one has a worked solution and a mark scheme showing where the marks go.

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