Chemistry B (Salters) - H433

9 sections available · 63 chapters available

Free Chemistry B (Salters) - H433 study notes for Cambridge OCR A Level students. Each chapter breaks down a key concept with examples and practice prompts you can turn into AI drills in the thinka app.

Practical skills and chemical literacy

  • Planning and experimental design

  • Apparatus, techniques and implementing

  • Analysis, graphs and significant figures

  • Evaluation, errors and uncertainties

  • Qualitative tests and purification techniques

  • Chemical literacy: articles, data and extended answers

Amount of substance and calculations

  • Formulae, equations and the mole

  • Concentration and acid–base titrations

  • Atom economy and percentage yield

  • Redox and iodine–thiosulfate titrations

  • Isotopes, relative masses and mass spectrometry

  • Gas volumes and composition by volume

Atomic structure and the periodic table

  • Atomic structure and electron configurations

  • Atomic spectra, ionisation energies and fusion

  • Periodicity and the periodic table

  • Group 2 chemistry

  • The halogens and their compounds

  • Nitrogen chemistry and industrial processes

  • Transition metals and complexes

Bonding, structure and isomerism

  • Ionic and covalent bonding and shapes of molecules

  • Intermolecular bonding

  • Metallic bonding, giant structures and alloys

  • Delocalisation, benzene and the origins of colour

  • Structure and properties of hydrocarbons

  • Structural and E/Z isomerism

  • Optical isomerism

  • Structure and bonding in polymers and proteins

Energetics, entropy and radiation

  • Enthalpy changes and calorimetry

  • Enthalpy cycles and bond enthalpies

  • Lattice enthalpy, hydration and dissolving

  • Entropy and feasibility

  • Radiation, the electromagnetic spectrum and molecules

  • The greenhouse effect and atmospheric sustainability

  • Colour, light absorption and colorimetry

Rates and kinetics

  • Rate of reaction, collision theory and Boltzmann distribution

  • Rate equations, orders and rate constants

  • Radical reactions and reaction kinetics in the atmosphere

  • Catalysis, including heterogeneous and enzyme catalysis

  • Ozone, CFCs and the chemistry of the atmosphere

Equilibria, acids, bases and redox

  • Dynamic equilibrium and opposing change

  • The equilibrium constant Kc and its calculations

  • Acids, bases and pH

  • Weak acids, Ka and buffers

  • Amino acids and acid–base behaviour of organic compounds

  • Solubility products

  • Redox, oxidation numbers and electrolysis

  • Electrode potentials and electrochemical cells

Organic functional groups and reactions

  • Alkanes, combustion and fuels

  • Alkenes and electrophilic addition

  • Haloalkanes and nucleophilic substitution

  • Alcohols and phenols

  • Carboxylic acids, esters and acyl chlorides

  • Amines, amides and nitrogen-containing compounds

  • Arenes, electrophilic substitution and diazonium compounds

  • Carbonyl compounds, fats and oils

Synthesis, polymers and analytical techniques

  • Reaction mechanisms and curly arrows

  • Organic synthesis routes and preparative techniques

  • Addition polymers

  • Condensation polymers, proteins and hydrolysis

  • Mass spectrometry and infrared spectroscopy

  • NMR spectroscopy and combined structure determination

  • Chromatography: TLC and gas–liquid chromatography

  • Green chemistry and sustainability in industry

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