Question
Chemistry Question on Classification of elements & periodicity in properties
Among Al2O3,SiO2,P2O3 and SO2 the correct order of acidic strength is
A
\ceSO2<P2O3<SiO2<Al2O3
B
\ceAl2O3<SiO2<P2O3<SO2
C
\ceAl2O3<SiO2<SO2<P2O3
D
\ceSiO2<SO2<Al2O3<P2O3
Answer
\ceAl2O3<SiO2<P2O3<SO2
Explanation
Solution
Oxide of AI is amphoteric. SO2 is more acidic than P2O3. Therefore, correct order of acidic character is AI2O3<SiO2<P2O3<SO2