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- ...

The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...

The data booklet has some examples of complex ion-electron equations. As well as ions and electrons, they involve hydrogen ions (H +) and water (H 2 O). For example, consider permanganate ions (a ...