Reactions with Bases The differences in the the chemistry of +2 and +3 aqua ions can be seen in their reactions with bases The reactions of iron(II), iron(III), copper(II) and aluminium with...
Catalysis Catalysts play an important part in industry allowing reactions to be carried out more quickly and at lower temperatures There are two types of catalysts,?heterogeneous?and?homogen...
Redox Titrations Redox titration involves an?oxidising agent?being titrated against a?reducing agent Electrons are transferred from one species to another In acid-base titrations indicators ...
Variable Oxidation States The table below shows the most common oxidation states of a few transition metals Oxidation states of transition elements table When transition elements form...
Colour in Transition Metal Ions Most transition element complexes are?coloured The transition metal ions can be identified by their colour The large variety of coloured compounds is a defini...
Shapes of Complex Ions Depending on the?size of the ligands?and the?number of dative bonds?to the central metal ion, transition element complexes have different geometries Dative bonds can a...
Ligand Exchange Ligand exchange?(or?ligand?substitution) is when one?ligand?in a complex is replaced by another Ligand exchange forms a new complex that is?more stable?than the original one ...
Oxides Reacting with Water Structure, bonding & electronegativity of the Period 3 elements table The oxides of?Na and Mg?which show purely?ionic bonding?produce?alkaline?solutions...
Melting Point Trend The melting points of the oxides vary significantly across Period 3 and show a clear trend Melting point is a clear indication of the forces of attraction which exist bet...
