Among Al2o3, SiO2, P2O3 and SO2 the correct order of acid strength is (a) Al2O2 < SiO2 < SO2 < P2O3 (b) SiO2 < SO2 < Al2O3 < P2O3 Among Al2o3 P2O3 and SO2 the correct order of acid strength is (a) Al2O2 < SiO2 < SO2 < P2O3 (b) SiO2 < SO2 < Al2O3 [...]