C3.3.2 predict the products of electrolysis C4 Chemical 117 of binary ionic compounds in the molten Changes state C3.3.3 recall that metals (or hydrogen) are C4 Chemical 117 formed at the cathode and non-metals are Changes formed at the anode in electrolysis using inert electrodes C3.3.4 use the names and symbols of C4 Chemical 104 Also C11 page common elements and compounds and Changes 289 the principle of conservation of mass to write half equations C3.3.5 explain reduction and oxidation C4 Chemical 103 in terms of gain or loss of electrons, Changes identifying which species are oxidised and which are reduced C3.3.6 explain how electrolysis is used to C4 Chemical 119 extract some metals from their ores Changes including the extraction of aluminium C3.3.7 describe competing reactions in the C4 Chemical 120 electrolysis of aqueous solutions of ionic Changes compounds in terms of the different species present, including the formation of oxygen, chlorine and the discharge of metals or hydrogen linked to their relative reactivity C3.3.8 describe the technique of C4 Chemical 121 electrolysis of an aqueous solution of a Changes salt PAG2 C3.4 Why is crude oil important as a source of new materials? C3.4.1 recall that crude oil is a main C7 Organic Chemistry 171 source of hydrocarbons and is a feedstock for the petrochemical industry C3.4.2 explain how modern life is crucially C7 Organic Chemistry 172 dependent upon hydrocarbons and recognise that crude oil is a finite resource C3.4.3 describe and explain the C7 Organic Chemistry 173 separation of crude oil by fractional distillation PAG3 C3.4.4 describe the fractions of crude oil C7 Organic Chemistry 172 as largely a mixture of compounds of formula CnH2n+2 which are members of the alkane homologous series C3.4.5 use ideas about energy transfers C2 Bonding, Structure 39 and the relative strength of chemical and the properties of bonds and intermolecular forces to explain matter the different temperatures at which changes of state occur
C3.3.2 predict the products of electrolysis of binary ionic compounds in the molten state C4 Chemical Changes 117 C3.3.3 recall that metals (or hydrogen) are formed at the cathode and non-metals are formed at the anode in electrolysis using inert electrodes C4 Chemical Changes 117 C3.3.4 use the names and symbols of common elements and compounds and the principle of conservation of mass to write half equations C4 Chemical Changes 104 Also C11 page 289 C3.3.5 explain reduction and oxidation in terms of gain or loss of electrons, identifying which species are oxidised and which are reduced C4 Chemical Changes 103 C3.3.6 explain how electrolysis is used to extract some metals from their ores including the extraction of aluminium C4 Chemical Changes 119 C3.3.7 describe competing reactions in the electrolysis of aqueous solutions of ionic compounds in terms of the different species present, including the formation of oxygen, chlorine and the discharge of metals or hydrogen linked to their relative reactivity C4 Chemical Changes 120 C3.3.8 describe the technique of electrolysis of an aqueous solution of a salt PAG2 C4 Chemical Changes 121 C3.4 Why is crude oil important as a source of new materials? C3.4.1 recall that crude oil is a main source of hydrocarbons and is a feedstock for the petrochemical industry C7 Organic Chemistry 171 C3.4.2 explain how modern life is crucially dependent upon hydrocarbons and recognise that crude oil is a finite resource C7 Organic Chemistry 172 C3.4.3 describe and explain the separation of crude oil by fractional distillation PAG3 C7 Organic Chemistry 173 C3.4.4 describe the fractions of crude oil as largely a mixture of compounds of formula CnH2n+2 which are members of the alkane homologous series C7 Organic Chemistry 172 C3.4.5 use ideas about energy transfers and the relative strength of chemical bonds and intermolecular forces to explain the different temperatures at which changes of state occur C2 Bonding, Structure and the properties of matter 39
470139-switching-to-ocr-gcse-9-1-chemistry-b-from-aqa.docx