A long-chain alkane, tetradecane (C14H30\text{C}_{14}\text{H}_{30}C14H30), is catalytically cracked to produce one molecule of hexane (C6H14\text{C}_6\text{H}_{14}C6H14), two molecules of a compound YYY, and one molecule of compound ZZZ. Compound YYY is an alkene containing two carbon atoms.
State the molecular formula of compound YYY.
Deduce the molecular formula of compound ZZZ.
State two conditions required for industrial catalytic cracking.
19 exam-style questions on Edexcel IGCSE Chemistry Crude oil. Each one has a worked solution and a mark scheme showing where the marks go.