<p>This is the Transition metal topic for the 2015 A-level 2nd year Chemistry course. It provides a summary of the reactions of Iron (II), Iron (III), Copper (II), Cobalt(II) and Chromium (III) with Ammonia and Sodium hydoxide. It also has the colours of all the complexes and ions you need to know for the edxecel course. [still applicable to other examination boards]</p> <p>The images on the first page are taken from docbrown website and the table of colours from the CGP Chemistry year 2 revision guide (Edexcel)</p>