Key term
Edexcel A-Level Chemistry 9CH0
Atomic Structure and the Periodic Table
Bonding and Structure
Inorganic Chemistry and the Periodic Table
Topic overviewFlame tests and how they workThermal decomposition of nitrates and carbonatesCarrying out flame tests and testing the gasesGroup 2 elements and their compoundsTrends in Group 7 and predicting fluorine and astatineHalogen displacement reactionsDisproportionation and the reactions of chlorineHalides with concentrated sulfuric acid, and the hydrogen halidesTesting for halide ions with silver nitrateTesting for carbonate and hydrogencarbonate ionsTesting for sulfate and ammonium ions
Formulae, Equations and Amounts of Substance
Topic overviewThe mole, molar mass and empirical formulaThe ideal gas equation and molar volumeEquations, concentration and reacting quantitiesStandard solutions, titration and uncertaintyPercentage yield, atom economy and acid reactionsCore practicals 1 to 3Empirical formula and water of crystallisation by experimentApparatus, uncertainty and mathematical skills
Organic Chemistry I
Topic overviewFormulae, homologous series and functional groupsIUPAC nomenclatureTypes of organic reaction and structural isomerismStereoisomerism and E/Z nomenclaturePractical techniques in organic chemistryAlkanes, crude oil and combustion pollutantsRadical substitutionAlkenes, the double bond and hydrogenationElectrophilic addition, Markovnikov's rule and the test for an alkeneAddition polymers and waste polymersNucleophilic substitution of halogenoalkanesRates of hydrolysis and the SN1 and SN2 mechanismsClassifying and oxidising alcoholsAlcohols: practical techniques and the core practicals
Modern Analytical Techniques I
Energetics I
Kinetics I
Equilibrium I
Acid-Base Equilibria
Energetics II
Redox II
Transition Metals
Topic overviewElectron configuration and what makes a transition metalComplex ions, ligands and the colour of transition metal ionsCoordination number, monodentate ligands and the shapes of complexesBidentate and multidentate ligands, and ligand exchangeVanadium and chromium chemistryReactions with sodium hydroxide and ammoniaCobalt and copper complexesLigand exchange, amphoteric behaviour and the chelate effectTransition metals as catalysts
Kinetics II
Organic Chemistry II
Topic overviewChiralityAldehydes, ketones and their oxidationReduction and nucleophilic addition of HCNTesting for a carbonyl group: 2,4-DNPH and the iodoform reactionCarboxylic acids and their reactionsEsters and acyl chloridesReflux, extraction and recrystallisationDistillation, melting temperature and working safely
Organic Chemistry III
Topic overviewThe structure of benzene and the evidence for itElectrophilic substitution of benzeneNitration, halogenation, Friedel-Crafts and phenolAmines: structure and basicityReactions of amines and preparing themAmides and condensation polymersAmino acids, zwitterions and proteinsEmpirical and molecular formulae from analytical dataGrignard reagents and multi-step synthesisPurification techniques and the aspirin preparation
Formulae, Equations and Amounts of Substance
Apparatus, uncertainty and mathematical skills
- 3 things to know
- Papers 1, 2 and 3
Overview
The measurements, heating methods and apparatus used in practical work, hazardous substances, unit conversions, standard form and significant figures, selecting concordant titres and burette uncertainty, rearranging equations, independent, dependent and control variables, and the symbols ∝, ≪, ≫, ~ and ⇌.
What you need to know
Answer each one before you reveal it.
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Key term
Name three methods that can be used for heating in chemistry experiments.
Key term
What apparatus is used to perform titrations?
Questions from this subtopic
Each one with the model answer underneath.
- 1
Name four types of measurements that should be recorded using appropriate apparatus in chemistry experiments.
Model answer
Mass, time, temperature, and the volumes of liquids and gases.
- 2
Name three methods that can be used for heating in chemistry experiments.
Model answer
A water bath, electric heater, or sand bath.
- 3
What apparatus is used to perform titrations?
Model answer
A burette and pipette.
- 4
Which piece of glassware do you make a standard solution up in?
Model answer
A volumetric flask.
- 5
Name four types of hazardous substances that must be handled safely and carefully in the laboratory.
Model answer
Substances that are toxic, flammable, corrosive or irritant.
- 6
What unit conversion is commonly required in volumetric calculations?
Model answer
Converting between cm³ and dm³.
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