What is the nature of the oxide SO2? What happens when it is dissolved in water? Write the chemical equation of the reaction involved. (b)What is the nature of the oxide Na2O? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.
ChemistryClass 10ICSEAnswered 27 Mar 2026
Answer
SO2 is acidic in nature. It produces sulphurous acid when dissolved in water SO2(g) + H2O(l) → H2SO3 (aq)
(b) Na2O is basic in nature. It produces an alkali called sodium hydroxide when dissolved in water.
(b) Na2O + H2O → 2NaOH