The green cobalt-tartrate activated complex will be visible for the duration of the reaction. Upon completion of the reaction, the solution will return to the pink color of the cobalt chloride ...

THE tridentate ligand 1,3-bis(2′-pyridyl)-2,3-diaza-1-propene, (paphy), when reacted with cobalt(II) chloride in ethanolic solution, yields several products. Two of these complexes are ...