describe and interpret, in terms of changes in oxidation number, the reaction of chlorine with cold and with hot aqueous sodium hydroxide and recognise these as disproportionation reactions

describe, explain, and write equations for, the reactions of the chlorides NaCl, MgCl₂, Al Cl₃, SiCl₄, PCl₆ with water including the likely pHs of the solutions obtained

describe, and write equations for, the reactions of the oxides, hydroxides and carbonates with water and dilute hydrochloric and sulfuric acids