Mainly because you'll find similarities involving arsenic acid and phosphoric acid, the possibility that arsenate can substitute the significant phosphate team in biologically important molecules (like the monosaccharide phosphates and adenosine triphosphate) need to be considered. In the processing of As2O3 the oxide is normally decreased withcarbon: 2As2O3+3C?→As4+3CO2 The response http://https//chemscenter.com