Transition Elements Coordination Chemistry

February 28, 2017

A levels H2 Chemistry 2008 Paper 1 Q2: Lord Rayleigh and his “Atmospheric Nitrogen”.

A levels H2 Chemistry 2008 Paper 1 Q2: Lord Rayleigh and his “Atmospheric Nitrogen”. by admin | 19 Jun, 2014 | Transition Elements Coordination Chemistry |
February 28, 2017

Mystery of Prussian and Turnbull’s Blue Revealed (Part 2)

Crystal Structure In our previous article, we noted that Prussian Blue (PB) : FeIII[FeII(CN)6] – (also known as ferric ferrocynanide) Turnbull’s Blue (TB) : FeII[FeIII(CN)6] – (also known as ferrous ferricyanide) The structure of PB is shown below: Each Fe2+ (yellow)...
February 28, 2017

Prussian Blue… What is it?

The discovery of Prussian blue is credited to a German paint maker called Diesbach in 1706. Diesbach, who worked in Berlin, was attempting to create cochineal red lake in his laboratory. (“Lake” was once a label for any dye-based pigment;...