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7.1 Carbon compounds as fuels and feedstock

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Question 22

A researcher is checking four proposed entries for an alkane containing 9 carbon atoms.

EntryProposed molecular formula
AC9H22\text{C}_9\text{H}_{22}C9​H22​
BC9H11\text{C}_9\text{H}_{11}C9​H11​
CC9H18\text{C}_9\text{H}_{18}C9​H18​
DC9H20\text{C}_9\text{H}_{20}C9​H20​

Which entry gives the correct molecular formula of the alkane?

[1]
A

Entry A

B

Entry C

C

Entry B

D

Entry D

Markscheme

7.1 Carbon compounds as fuels and feedstock Questions

  1. GCSE
  2. /Chemistry
  3. /7.1 Carbon compounds as fuels and feedstock

91 exam-style questions on AQA GCSE Chemistry 7.1 Carbon compounds as fuels and feedstock, covering 7.1.1 Crude oil, hydrocarbons and alkanes, 7.1.2 Fractional distillation and petrochemicals, 7.1.3 Properties of hydrocarbons, and 7.1.4 Cracking and alkenes. Each one has a worked solution and a mark scheme showing where the marks go.

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