A fair warning however, standard ferric chloride disposal procedures need to be followed when using this solution. If you want to know what he concocted in his kitchen as well as the chemistry ...

The ferric thiocyanate solution is blood red in color, and the intensity of its color is proportional to the amount of complex in solution. The complex is formed according to the reaction: Fe3+ + SCN- ...

Compounds with a phenol group will form a blue, violet, purple, green, or red-brown color upon addition of aqueous ferric chloride. This reaction can be used as a test for phenol groups. Mix several ...