Absorption of light by transition metal ions Animation Play

Application of inhibitors Animation Play

Aqua regia Animation Play

Balancing equations for redox reactions in acidic solution using half-equations Animation Play

Balancing equations for redox reactions in acidic solution using half-equations Student activity Play

Balancing equations for redox reactions in alkaline solution using half-equations Student activity Play

Balancing equations for redox reactions in alkaline solution using half-equations Animation Play

Biological removal of nitrogen and phosphorus compounds Student activity Play

Calculating the electromotive force of a cell Animation Play

Calculating the standard electromotive force of a voltaic cell Student activity Play

Calomel half-cell Student activity Play

Catalysts in industry Student activity Play

Cell respiration – biological oxidation Student activity Play

Cell respiration – biological oxidation Whiteboard exercise Play

Change in oxidation state Animation Play

Changes in oxidation states in redox reactions Whiteboard exercise Play

Changes in oxidation states in redox reactions Student activity Play

Changing the redox properties of the central ion Animation Play

Charge transfer absorption of transition metals at high oxidation state Animation Play

Chemical energy sources Student activity Play

Chromium(III) and iron(II) compounds Animation Play

Classification of half-cells Illustration Play

Coating with metals which are more reactive than iron Animation Play

Colour of complex ions Student activity Play

Colours of metal compounds: d-block elements Student activity Play