Question

Why sodium +water is sodium hydroxide not sodium oxide (since metal + water gives metal oxide)

Answer 1

Answer:

herefore, it is not feasible for oxide anions to exist in water. This is known as the nivelling effect: no acid more acidic than H3O+ can survive in aquaeous solution for extended time and no base more basic than OH

Explanation:

It is basic because it contains the oxide ion, O2-, which is a very strong base with a high tendency to combine with hydrogen ions. Reaction with water: Sodium oxide reacts exothermically with cold water to produce sodium hydroxide solution. A concentrated solution of sodium oxide in water will have pH 14

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