Edexcel A Level Chemistry:复习笔记3.2.4 Reducing Pollution
Catalytic Converters To reduce the amount of pollutants released in car exhaust fumes, many cars are now fitted with catalytic converters Precious metals (such as platinum) are coated on a h...
Edexcel A Level Chemistry:复习笔记3.2.3 Pollution from Combustion
Causes & Effects of Pollution Alkanes are combusted (burnt) on a large scale for their use as fuels Complete combustion When alkanes are burnt in excess (plenty of) oxygen, complete comb...
Edexcel A Level Chemistry:复习笔记3.2.2 Alkane Fuels
Alkane Fuels Alkanes are obtained from the fractional distillation and cracking of crude oil Fractional distillation of crude oil Crude oil is a mixture of hydrocarbons containing alkanes, c...
Edexcel A Level Chemistry:复习笔记3.2.1 Describing Alkanes
Describing Alkanes Hydrocarbons are compounds containing hydrogen and carbon only There are four families of hydrocarbons you should know: alkanes, alkenes, alkynes and arenes Alkanes, alken...
Edexcel A Level Chemistry:复习笔记3.1.5 Stereoisomerism
E/Z Isomerism Stereoisomers are compounds that have the same atoms connected to each other, however the atoms are differently arranged in space Geometrical (E/Z) isomerism Geometrical isomer...
Edexcel A Level Chemistry:复习笔记3.1.4 Structural Isomerism
Structural Isomerism Structural isomers are compounds that have the same molecular formula but different structural formulae E.g. propene and cyclopropane Both propene and cyclopropane are m...
Edexcel A Level Chemistry:复习笔记3.1.3 Nomenclature & Classification
Applying IUPAC 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...
Edexcel A Level Chemistry:复习笔记3.1.2 Homologous Series & Functional Groups
Homologous Series & Functional Groups Homologous series A homologous series is a group of organic compounds that have the same functional group, but each successive member differs by CH2...
Edexcel A Level Chemistry:复习笔记3.1.1 Formulae of Organic Compounds
Formulae of Organic Compounds Organic chemistry is the chemistry of carbon compounds Carbon forms a vast number of compounds because it can form strong covalent bonds with itself This enable...
