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11/09/2021 6:41 pm
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(a) 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.
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11/09/2021 6:45 pm
(a) SO2 is acidic in nature. When dissolved in water, it produces sulphurous acid.
SO2(g) + H2O(s) → H2SO3(aq)
Sulphurdioxide water Sulphurous acid
(b) Na2O is basic in nature. When dissolved in water, it forms an alkali called sodium hydroxide.
Na2O(s) + H2O(s) → 2NaOH(aq)
Sodium oxide water sodium hydroxide