What do you understand by amphoteric oxide Give the balanced equations – InterviewSolution

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What do you understand by amphoteric oxide Give the balanced equations for the reaction with three different amphoteric oxides with a caustic alkali. Write you observation

Answer»

When freshly precipitated aluminum hydroxide reacts with caustic soda solution, whitesalt of sodium meta aluminate is obtained.

Al(OH)₃ + NaOH → NaAlO₂ + 2H₂O

Sodium meta aluminate

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