Grade 12Inorganic ChemistryThe stability of +3 oxidation state increase down group 15 why GITARTH 9 Years agoGrade 12
sushanthmarada9 Years agoGenerally the metallic nature increases ,decreasing the +ve nature of oxidation state.The heavier metals like Bi,Sb,As are stable in +3 due to their higher stability in pseudo octet configuration(18electrons in valance shell)