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Chemistry
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OCR A level Chemistry: Chromatography and Spectroscopy
OCR A level Chemistry: Chromatography and Spectroscopy is apart of the Module 6: Organic Chemistry and Analysis.
All presentations come with worked examples, solutions and homeworks.
29.1 Chromatography and Functional Group Analysis
29.2 Nuclear Magnetic Resonance (NMR) Spectroscopy
29.3 Carbon-13 NMR Spectroscopyy
29.4 Proton NMR Spectroscopy
29.5 Interpreting Proton NMR Spectra
29.6 Combined Techniques
Thin layer chromatography (TLC)
Rf values
Gas chromatography (GC)
Gas chromatograms
Retention time and peak integrations
Calibration curves from retention time and relative peak area
Differentiation of functional groups: alkene, primary and secondary alcohols, aldehydes, cabonyl compounds, carboxylic acids, and haloalkes.
Nuclear Spin
Resonance
Tetramethylsilane (TMS)
Chemical Shift ẟ
Identifying different carbon environments
The types of carbon environment
The amount of chemical shift ẟ / ppm
Identifying the number of different proton environments
Identifying the types of proton environment and chemical shifts
Integration traces (area of peaks) and relative number of protons
The spin-spin splitting pattern (n + 1)
Predicting proton NMR spectra for molecules
Identifying the number of different proton environments
Identifying the types of proton environment and chemical shifts
Integration traces (area of peaks) and relative number of protons
Percentage yield to determine empirical formula
Mass spectra
Infrared spectra
Carbon-13 NMR spectra
Proton NMR spectra
A Level Chemistry: Carbonyl Compounds
OCR A level Chemistry: 26.1 Carbonyl Compounds
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
The carbonyl group
Differentiating between aldehydes and ketones
Naming aldehydes and ketones
Oxidation of aldehydes
Electronegativity and polar bonds
Electrophiles, nucleophiles, and nucleophilic addition reactions
Reducing carbonyl compounds with sodium tetrahydridoborate(III) (NaH4)
Primary and secondary alcohols from carbonyl compounds
Reacting carbonyl compounds with hydrogen cyanide (HCN)
Reaction mechanisms for nucleophilic addition using (NaBH4)
Reaction mechanisms for nucleophilic addition using (HCN)
GCSE Chemistry: Electrolysis of Solutions
This PowerPoint presentation with worked examples and student questions covers:
• The position of metals and non-metals on the periodic table
• The ions metals and non-metals form
• The ion composition of solutions
• Electrodes, cations and anions
• The products of electrolysis of solutions
• Keyword descriptions and revision tips
GCSE Chemistry: Carboxylic Acids
This PowerPoint presentation with worked examples and student questions covers:
• Functional groups of carboxylic acids, alcohols, alkanes, and alkenes.
• Mnemonic device for naming carboxylic acids
• General formula for carboxylic acids
• Drawing the structural formula for carboxylic acids
• Carboxylic acids as weak acids and
• Acid reactions with bases, metals, and carbonates
• Oxidation reactions from alcohols to carboxylic acids
A Level Chemistry: Electrophilic Substitution Reactions of Benzene
OCR A level Chemistry: 25.2 Electrophilic Substitution Reactions of Benzene
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Defining an electrophile
Substitution reactions
Nitration of Benzene
Reaction mechanisms
Halogenation of Benzene
Common Halogen Carriers
Friedel-Crafts Alkylation Reactions
Acyl Chloride
Acylation Reactions of Benzene
Reactivity of Alkenes and Arenes
GCSE Chemistry: Mole Calculations
This PowerPoint presentation with worked examples and student questions covers:
• Rearranging Equations
• Stoichiometry as relative abundances
• Relative Atomic Mass, Relative Formula Mass and Molar Mass
• Calculating the number of moles present
• Conservation of mass
Bundle
OCR A level Chemistry: Amines, Amino Acids, and Polymers
OCR A level Chemistry: Aromatic Compounds is apart of the Module 6: Organic Chemistry and Analysis.
All presentations come with worked examples, solutions and homeworks.
27.1 Amines
27.2 Amino acids, Amides and Chirality
27.3 Condensation Polymers
Aliphatic and aromatic hydrocarbons
Amines being derived from ammonia (NH3)
Classifying amines as primary, secondary, and tertiary
Naming amines
Naming ammonium salts
Amines neutralisation reactions with acids
Preparation of aliphatic amines
Preparation of aromatic amines
Locants: alpha, beta, and gamma
Functional groups of amino acids
General formula for amino acids
Reactions of amino acids (alkali and acid)
Esterification of amino acids
Amide functional groups
Naming amide molecules
Drawing optical isomers
Explanation of superimposable and non-superimposable images
Identifying chiral centers
Recap of addition polymerisation
Identifying monomers and repeat units from condensation polymers
Polyesters and ester links
Polyamides and amide links
Polyesters and polyamides formed from one monomer
Polyesters and polyamide formed from two monomers
Alkali hydrolysis of polyamides and polyesters
Acid hydrolysis of polyamides and polyesters
A level Chemistry: Identifying Aldehydes and Ketones
OCR A level Chemistry: 26.2 Identifying Aldehydes and Ketones
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Testing for Carbonyl Groups
Brady’s reagent - 2,4-dinitrophenylhydrazine - 2,4-DNP
Distinguishing between Aldehydes and Ketones
Tollen’s reagent - silver nitrate in aqueous ammonia
GCSE Chemistry: Bond Energies and Energy Changes
This PowerPoint presentation with worked examples and student questions covers:
• Definition of bond energies
• Calculating bond energies per mole
• Calculating change in bond energies in reactions
• Determining if a reaction is exothermic or endothermic from the change in bond energy.
A level Chemistry: Proton NMR Spectroscopy
OCR A level Chemistry: 29.4 Proton NMR Spectroscopy
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Identifying the number of different proton environments
Identifying the types of proton environment and chemical shifts
Integration traces (area of peaks) and relative number of protons
The spin-spin splitting pattern (n + 1)
GCSE Chemistry: Thin Layer and Gas Chromatography
This PowerPoint presentation with worked examples and student questions covers:
• Experimental Procedure for Thin Layer Chromatography
• Analysing and calculating Rf Values
• Pros and cons of paper and TL chromatography
• Experimental procedure for Gas Chromatography
• Persuasive writing and embedding literacy in science
GCSE Chemistry: Polymers
This PowerPoint presentation with worked examples and student questions covers:
• State what is meant by mono- and poly-.
• Describe polymerisation and the effects of cross-links in polymers.
• Determine a polymer’s repeat units from a monomer’s structural formula.
A level Chemistry: Carboxylic Acid Derivatives
OCR A level Chemistry: 26.3 Carboxylic Acids
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Naming acyl chlorides
Naming acid anhydrides
Naming esters
Esterification
Acid hydrolysis of esters
Alkali hydrolysis of esters
Producing acyl chlorides from carboxylic acids
Producing carboxylic acids from acyl chlorides
Producing esters from acyl chlorides and phenols
Primary, secondary, and tertiary molecules
Producing primary amides from acyl chlorides
Producing secondary amides with acyl chlorides
Producing esters and carboxylic acids wirh acid anhydride
Bundle
OCR A level Chemistry: Organic Synthesis
OCR A level Chemistry: Organic Synthesis is apart of the Module 6: Organic Chemistry and Analysis.
All presentations come with worked examples, solutions and homeworks.
28.1 Carbon-Carbon Bond Formation
28.2 Further Practical Techniques
28.3 Further Synthetic Routes
Forming nitriles from haloalkanes
Forming nitriles from aldehydes and ketones
Forming amines from nitriles (reduction)
Forming carboxylic acids from nitriles (hydrolysis)
Friedel-Crafts alkylation of benzene
Acylation of benzene with acyl chloride
Filtration under reduced pressure
Purification through Recrystallisation
Preparation of Melting Point Sample
Melting point determination with an electric heater
Melting point determination with a Thiele tube
Functional groups
Reactions of benzenes
Reactions of phenols
Common reactions between different functional groups
Reaction conditions and reagents
GCSE Chemistry: Alkenes
This PowerPoint presentation with worked examples and student questions covers:
• Unsaturated hydrocarbons
• Comparing alkanes and alkenes
• Mnemonic device for naming alkenes
• General formula for alkenes
• Completing addition reactions for alkenes
A level Chemistry: Condensation Polymers
OCR A level Chemistry: 27.3 Condensation Polymers
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Recap of addition polymerisation
Identifying monomers and repeat units from condensation polymers
Polyesters and ester links
Polyamides and amide links
Polyesters and polyamides formed from one monomer
Polyesters and polyamide formed from two monomers
Alkali hydrolysis of polyamides and polyesters
Acid hydrolysis of polyamides and polyesters
GCSE Chemistry: Limitations of the Particle Model
This PowerPoint presentation with worked examples and student questions covers:
• Describing the limitations of the model: lack of forces between particles, size of particles, and space between the particles.
• Mathematically comparing sizes and distances of particles
GCSE Chemistry: Development of the Atomic Model
This PowerPoint presentation with worked examples and student questions covers:
• Dalton, Thomson, Rutherford and Bohr’s models
• Comparing different scientific models of the atom
GCSE Chemistry: The Mole
This PowerPoint presentation with worked examples and student questions covers:
• Using Standard Form
• Avogadro’s constant
• Relative Atomic Mass, Relative Formula Mass and Molar Mass
• Rearranging Equations
• Calculating the number of moles present
GCSE Chemistry: Alcohols
This PowerPoint presentation with worked examples and student questions covers:
• Functional groups of alcohols, alkanes, and alkenes.
• Comparing incomplete and complete combustion of alcohols
• Mnemonic device for naming alcohols
• General formula for alcohols
• Drawing the structural formula for alcohols