This question is about organic chemistry and fuels. Hexane (C6H14C_6H_{14}C6H14) is a hydrocarbon.
Cracking breaks down large hydrocarbon molecules into smaller hydrocarbon molecules. Which hydrocarbon molecule can be cracked to produce hexane, C6H14C_6H_{14}C6H14?
C3H6C_3H_6C3H6
C3H8C_3H_8C3H8
C6H12C_6H_{12}C6H12
C10H22C_{10}H_{22}C10H22
12 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.