A chemical company obtains product X by cracking a long-chain hydrocarbon. Bromine water is added to X and changes from orange to colourless.
The company is considering two uses for X:
Use 1: burn X to release energy for heating.
Use 2: process X to make synthetic fibres.
Identify the type of hydrocarbon X. Explain which use treats X as a 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.