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Get Answers to all your Questions
An amphoteric oxide reacts with sodium hydroxide solution ?
Answers (1)
Amphoteric oxides react with both acids and bases. Zinc oxide (ZnO) is a common example.
Reaction of amphoteric oxide (ZnO) with sodium hydroxide (NaOH):
When ZnO reacts with NaOH, it dissolves to form sodium zincate, a soluble complex.
Reaction:
ZnO + 2NaOH + H2O → Na2
Or commonly written as: ZnO + 2NaOH → Na2ZnO2 + H2O
Explanation:
-
Zinc oxide is amphoteric, meaning it shows both acidic and basic behaviour.
-
With NaOH (a strong base), it behaves as an acidic oxide and forms sodium zincate.
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