Since you will discover similarities in between arsenic acid and phosphoric acid, the possibility that arsenate can exchange the vital phosphate team in biologically essential molecules (such as the monosaccharide phosphates and adenosine triphosphate) has to be regarded. Within the processing of As2O3 the oxide is Usually decreased withcarbon: 2As2O3+3C?→As4+3CO2 http://https//chemscenter.com