Because you can find similarities concerning arsenic acid and phosphoric acid, the possibility that arsenate can exchange the significant phosphate team in biologically important molecules (like the monosaccharide phosphates and adenosine triphosphate) have to be thought of. While in the processing of As2O3 the oxide is Generally diminished withcarbon: 2As2O3+3C?→As4+3CO2 http://https//chemscenter.com