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7.1 Carbon compounds as fuels and feedstock

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Question 5

A refinery investigates one cracking reaction. One molecule of C15H32\text{C}_{15}\text{H}_{32}C15​H32​ splits to form one molecule of C9H20\text{C}_{9}\text{H}_{20}C9​H20​ and one molecule of product X.

C15H32→C9H20+X\text{C}_{15}\text{H}_{32} \rightarrow \text{C}_{9}\text{H}_{20} + \text{X}C15​H32​→C9​H20​+X

Product X is then shaken with bromine water.

a.

Calculate the molecular formula of product X.

[2]
b.

Explain what happens when product X is shaken with bromine water.

[3]
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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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