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Question
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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Solution
Sodium oxide is a basic in nature. Sodium oxide reacts with water to form an alkali called sodium hydroxide.
\[\ce{\underset{(Basic oxide)}{\underset{Sodium oxide}{Na2O_{(s)}}} + \underset{Water}{H2O_{(l)}} -> \underset{(An alkali)}{\underset{Sodium hydroxide}{2NaOH_{(aq)}}}}\]
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