The amphoteric nature of Al 2 O 3 is to be explained. Concept introduction: Aluminum ( Al ) metal is a group 3 A element and exhibits + 1 and + 3 oxidation state. The compound that reacts with an acid as well as with a base, is known as amphoteric compound. To explain: The amphoteric nature of Al 2 O 3 .

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Chapter 20, Problem 31E

Interpretation Introduction

Interpretation: The amphoteric nature of Al2O3 is to be explained.

Concept introduction: Aluminum (Al) metal is a group 3A element and exhibits +1 and +3 oxidation state.

The compound that reacts with an acid as well as with a base, is known as amphoteric compound.

To explain: The amphoteric nature of Al2O3 .

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