Coloured Ions Perception of colour Most transition metal compounds appear coloured. This is because they absorb energy corresponding to certain parts of the visible?electromagnetic spectrum ...
Transition Metal Complexes Transition element ions can form complexes which consist of a?central metal ion?and?ligands A ligand is a molecule or ion that forms a co-ordinate bond with a tran...
General Properties of Transition Metals Transition metals are elements with an incomplete d-subshell that can form at least one stable ion with an incomplete d-subshell This definition disti...
Redox Titration Calculations Redox Titrations In a?titration, the concentration of a solution is determined by titrating with a solution of known concentration. In redox titrations, an?oxidi...
Fuel Cells A fuel cell is an electrochemical cell in which a fuel?donates?electrons at one electrode and oxygen?gains?electrons at the other electrode These cells are becoming more common in...
Storage Cells Electrochemical cells can be used as a commercial source of electrical energy Cells can be described as?primary, secondary?or?fuel cells Primary cells are?non-rechargeable?(irr...
Disproportionation & Electrode Potential A?disproportionation?reaction is where one element in a chemical is simultaneously reduced and oxidised, e.g. 2Cu+?(aq) → Cu2+?(aq) + Cu (s) Stan...
Thermodynamic Feasibility Feasibility The?E??values of a species indicate how?easily?they can get?oxidised?or?reduced The?more?positive the value, the easier it is to reduce the species on t...
Conventional Cell Representation Conventional Representation of Cells As it is cumbersome and time-consuming to draw out every electrochemical cell in full, a system of notation is used whic...
