CAIE IGCSE Chemistry 11.5.2 Manufacture of Alkenes and Hydrogen By Questions

Work through real CAIE IGCSE Chemistry questions to explain catalytic cracking and balance equations for alkene, shorter-alkane and hydrogen products.

Exam points

state that cracking uses high temperature and a catalyst on long-chain alkane vapour
identify shorter alkanes, alkenes and sometimes hydrogen as cracking products
balance a cracking equation by conserving carbon and hydrogen atoms across all products
recognise cracking as the industrial route from long-chain hydrocarbons to alkene feedstock

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