AQA A Level Chemistry復習筆記3.1.5 Stereoisomerism
Stereoisomerism: Geometrical Isomerism Stereoisomers?are compounds that have the same atoms connected to each other, however the atoms are differently arranged in space There are two types o...
AQA A Level Chemistry復習筆記3.1.4 Structural Isomerism
Molecules: Straight, Branched & Cyclic Straight, branched and cyclic organic molecules are also called?aliphatic?compounds as long as they do not contain a?benzene ring Straight-chain St...
AQA A Level Chemistry復習筆記3.1.3 Nomenclature
Nomenclature Systematic nomenclature?can be used to name organic compounds and therefore make it easier to refer to them The?alkanes?provide the basis of the naming system and the?stem?of ea...
AQA A Level Chemistry復習筆記3.1.2 Types of Formulae
Types of Formulae The?general formula?is a formula that represents a?homologous series?of compounds using letters and numbers Eg. the general formula of alkanes is CnH2n+2 A homologous serie...
AQA A Level Chemistry復習筆記2.3.4 Uses & Reactions of Chlorine
Reactions of Halide Ions A?disproportionation?reaction?is a reaction in which the same species is both oxidised and reduced The reaction of?chlorine?with?dilute alkali?is an example of a dis...
AQA A Level Chemistry復習筆記2.3.3 Testing for Halide Ions
Testing for Halides Silver ions & ammonia Halide ions can be identified in an?unknown?solution?by dissolving the solution in?nitric acid?and then adding?silver nitrate solution dropwise ...
AQA A Level Chemistry復習筆記2.3.2 Chemical Properties of Group 7
Halogens: Oxidising Agents Halogens react with metals by accepting an electron from the metal atom to become an ion with 1- charge Eg.? ?Ca (s) + Cl2?(g) → CaCl2?(s)??consisting of?Ca2+?and?...
AQA A Level Chemistry復習筆記2.2.4 Uses of Group 2 Elements
Uses of Group 2 Three different calcium compounds are used commonly in agriculture, construction and iron extraction: Limestone?- this is impure calcium carbonate Quicklime?- this is calcium...
AQA A Level Chemistry復習筆記2.2.3 Reactions of Group 2
Reactions of Group 2 The group 2 elements react with oxygen, water and dilute acids Group 2 Reactions - Observations Reactions with water and oxygen The reaction of group 2 metals wit...
