omer uner
Classification: OCR Paper 1
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Crash report
Chemistry (B) H033/01 June 2023
1. Ozone depletion chemistry: chlorine radical mechanism, homolytic bond fission, catalytic ozone breakdown cycle, termination reaction identification, natural CH₃Cl origins, polar bonds and dipole explanation, precipitation with Ag⁺ ions
2. Atomic structure and bonding: outer electron configurations, flame tests, ionisation energies, isotope-based RAM calculations, electron configuration comparisons, bond enthalpy vs. wavelength (E = hc/λ)
3. Organic mechanisms and analysis: esterification, elimination, addition and substitution reactions, infrared spectroscopy interpretation, TLC results comparison, unsaturation tests with bromine, polymerisation of vinyl acetate
4. Thermochemistry: enthalpy change of combustion, bond enthalpy use in ΔH calculations, error reduction in calorimetry, molar gas volume applications, atom economy, Avogadro constant, endothermic bond breaking interpretation
5. Reaction types and practical chemistry: cracking product prediction, hydration vs. elimination mechanisms, chromatography, distillation and separation steps, use of drying agents, electrolysis at anode/cathode, flame colour analysis for metal ions
6. Polymers and functional groups: PVAc and polyvinyl alcohol bonding, intermolecular interactions, functional group identification (aldehyde, ester, alcohol), IR spectrum-based compound determination using characteristic peaks and wavenumbers
2. Atomic structure and bonding: outer electron configurations, flame tests, ionisation energies, isotope-based RAM calculations, electron configuration comparisons, bond enthalpy vs. wavelength (E = hc/λ)
3. Organic mechanisms and analysis: esterification, elimination, addition and substitution reactions, infrared spectroscopy interpretation, TLC results comparison, unsaturation tests with bromine, polymerisation of vinyl acetate
4. Thermochemistry: enthalpy change of combustion, bond enthalpy use in ΔH calculations, error reduction in calorimetry, molar gas volume applications, atom economy, Avogadro constant, endothermic bond breaking interpretation
5. Reaction types and practical chemistry: cracking product prediction, hydration vs. elimination mechanisms, chromatography, distillation and separation steps, use of drying agents, electrolysis at anode/cathode, flame colour analysis for metal ions
6. Polymers and functional groups: PVAc and polyvinyl alcohol bonding, intermolecular interactions, functional group identification (aldehyde, ester, alcohol), IR spectrum-based compound determination using characteristic peaks and wavenumbers