. (a) What do you understand by amphoteric oxide

(a) What do you understand by amphoteric oxide?

(b) Give the balanced equations for the reaction with two different amphoteric oxides with a caustic alkali.

(c) Name the products formed.


Best Answer

(a) Amphoteric oxides are compounds which react with both acids and alkalis to form salt and water.

(b) ZnO + 2NaOH → Na2ZnO2 + H2O

Al2O3 + 2NaOH → 2NaAlO2 + H2O

(c) Sodium zincate and Aluminium zincate are the products formed.


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