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What is amphoteric |
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Answer» The metal oxides which shows acidic as well as basic behaviour when reacted with water Metal oxide such as aluminium oxide,zinc oxide show both acidic and basic behavour. Such metal oxides reacts with acids and bases to produce salt and water are known as amphoteric oxide Amphoteric means the substance which reacts with both acid and base to show both acidic and basic nature.it includes zinc oxide and aluminum oxide....... ....... ... Basic nature of zinc oxide - ZnO + 2HCl -> ZnCl2+ H2O.... Acidic nature of zinc oxide - ZnO + 2NaOH--> Na2ZnO2 + H2O. |
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