Year 13 chemistry
Every topic for the year is below, arranged by the term it is taught. Choose a term to show only that term: each topic has a lesson video, worked questions and practice at three levels.
Autumn term
- ChemistryRate equations and ordersOrders of reaction from concentration-time and rate-concentration graphs, rate equations and the rate constant, the Arrhenius equation, the rate-determining step and reaction mechanisms.100 questionsLesson video
- ChemistryEquilibrium constantsThe equilibrium constants Kc and Kp, calculating equilibrium amounts, and how temperature, concentration and pressure change the position of equilibrium and the value of the constant.100 questionsLesson video
- ChemistrypH, Ka and bufferspH of strong and weak acids and bases, Ka and pKa, Kw, buffer solutions and how they work, pH curves and indicators for titrations.100 questionsLesson video
- ChemistryLattice enthalpy and entropyBorn-Haber cycles and lattice enthalpy, enthalpy of solution and hydration, entropy change, free energy change and the feasibility of reactions.100 questionsLesson video
Spring term
- ChemistryRedox and electrode potentialsStandard electrode potentials, electrochemical cells, predicting the direction of redox reactions, storage cells and fuel cells, and redox titrations.100 questionsLesson video
- ChemistryTransition elementsElectron configurations of d-block elements and ions, complex ions, ligands and coordination number, shapes, colour, variable oxidation states, catalysis and ligand substitution.100 questionsLesson video
- ChemistryAromatic compoundsThe structure and stability of benzene, electrophilic substitution (nitration, halogenation, Friedel-Crafts), reactions of phenol and the comparison with benzene.100 questionsLesson video
Summer term
- ChemistryAldehydes and ketones, carboxylic acids and estersNucleophilic addition to carbonyl compounds, oxidation and reduction of aldehydes and ketones, tests for carbonyls, reactions of carboxylic acids, esters, acyl chlorides and acid anhydrides.100 questionsLesson video
- ChemistryAmines, amino acids and polymersBasic properties and preparation of amines, amino acids and proteins, condensation polymers (polyesters and polyamides), biodegradability and recycling of polymers.100 questionsLesson video
- ChemistryNMR, chromatography and synthesisProton and carbon-13 NMR spectroscopy, chromatography (TLC, GC, HPLC), combining spectra to identify organic compounds, and planning multi-step organic synthesis routes.100 questionsLesson video