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6.2 Organic chemistry

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Question 40

A polymer is made by addition polymerisation of hex-1-ene, C6H12\mathrm{C_6H_{12}}C6​H12​. The polymer has a relative formula mass of 105 000.

Relative atomic mass (ArA_rAr​): C = 12.0 H = 1.0

How many molecules of hex-1-ene formed this polymer?

[1]
A

1 221

B

1 250

C

1 458

D

1 346

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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