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6.2 Organic chemistry

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Question 20
F

One molecule of poly(propene) is made from 500 molecules of propene, CH2=CHCH3\mathrm{CH_{2}{=}CHCH_{3}}CH2​=CHCH3​.

How many carbon atoms are in the main chain of this poly(propene) molecule? Do not count the carbon atoms in the side groups.

[1]
A

500

B

1000

C

1500

D

3000

Markscheme

6.2 Organic chemistry Questions

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

63 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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