Question
Chemistry Question on The S-Block Elements
Among the following, basic oxide is:
A
SO3
B
SiO2
C
CaO
D
Al2O3
Answer
CaO
Explanation
Solution
The correct answer is (C) : CaO
Since, oxides of metals are basic in nature. Hence CaO is a basic oxide
SO3 and SiO2 are acidic oxides and Al2O3 is a amphoteric oxide.