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

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

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

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 26.1 Carbonyl Compounds 26.2 Identifying Aldehydes and Ketones 26.3 Carboxylic Acids 26.4 Carboxylic Acid Derivatives 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) 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 The Carboxyl Group and polarity of bonds. Naming carboxylic acids Carboxylic acids as weak acids Reactions of carboxylic acids with: Metals Metal oxides Alkali Carbonates Changing solubility of carboxylic acids in water due to carbon chain length. 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