CIE A Level Chemistry复习笔记3.9.1 Organic Synthesis
Elucidating Organic Molecules You are expected to be able to identify organic functional groups, their properties, how to test for their presence and how they are made Functional groups The table b...
CIE A Level Chemistry复习笔记3.8.2 Disposal of Polymers
Disposal of Polymers Though poly(alkenes)s are extremely important in everyday such as their use as plastics, the disposal of these polymers is problematic Poly(alkenes) are very large alkane molec...
CIE A Level Chemistry复习笔记3.8.1 Addition Polymerisation
Addition Polymerisation: Polythene & PVC Addition polymerisation Addition polymerisation is one of the most important addition reactions of alkenes which form the basis of the plastic industry ...
CIE A Level Chemistry复习笔记3.7.2 Nitriles & Hydroxynitriles
Production of Nitriles Nitriles are compounds with a -CN functional group They can be prepared from the nucleophilic substitution of halogenoalkanes Propanenitrile, an example of a nitrile Reaction...
CIE A Level Chemistry复习笔记3.7.1 Primary Amines
Production of Amines Amines are compounds with the amine (-NH2) functional group They can be produced as a result of nucleophilic substitution reactions of halogenoalkanes when they are heated unde...
CIE A Level Chemistry复习笔记3.6.2 Esters
Production of Esters Esters are compounds with an -COOR functional group and are characterised by their sweet and fruity smells They are prepared from the condensation reaction between a carboxylic...
CIE A Level Chemistry复习笔记3.6.1 Carboxylic Acids
Production of Carboxylic Acids Carboxylic acids are compounds with a -COOH functional group They can be prepared by a series of different reactions Oxidation of primary alcohols & aldehydes Car...
CIE A Level Chemistry复习笔记3.5.5 Iodoform Reaction
Iodoform Reaction Tri-iodomethane (also called iodoform) forms a yellow precipitate with methyl ketones Methyl ketones are compounds that have a CH3CO-group Ethanal also contains a CH3CO- group and...
CIE A Level Chemistry复习笔记3.5.4 Carbonyl Compound Tests
Testing for Carbonyls: 2,4-DNPH 2,4-dinitrophenylhydrazine (also known as 2,4-DNPH) is a reagent which detects the presence of carbonyl compounds (compounds with -C=O group) The carbonyl group of a...
