Chemistry 7404 Paper 2 June 2016, AQA AS-Level Past Papers with Mark Schemes

AQA AS Level Chemistry (7404) Jun 2016

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The exam encompasses organic and physical chemistry concepts, including equilibrium constant calculations, enthalpy of combustion, and molecular structure analysis. Topics include isomer separation, octane ratings, catalytic processes, and pollutant reduction in combustion reactions. Key themes cover CFC-induced ozone depletion, free-radical reactions, and organic synthesis mechanisms. Analytical techniques like IR spectroscopy, boiling point comparison, and quantitative stoichiometry are emphasized. Experimental design involves reflux setup, oxidation of organic compounds, and reaction progress monitoring. Dynamic equilibrium, greenhouse gas effects, and ideal gas behavior are analyzed to evaluate theoretical understanding and practical application in chemical systems.