Although not usually soluble in plain water, an amphoteric oxide or hydroxide is: 1. soluble in neutral solutions. 2. soluble in acidic solutions and insoluble in basic solutions. 3. soluble in basic solutions and insoluble in acidic solutions. 4. soluble in both acidic and basic solutions.

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Chemistry

20 May, 14:12

Although not usually soluble in plain water, an amphoteric oxide or hydroxide is: 1. soluble in neutral solutions. 2. soluble in acidic solutions and insoluble in basic solutions. 3. soluble in basic solutions and insoluble in acidic solutions. 4. soluble in both acidic and basic solutions.

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Parker Liu · Answer 1

The correct option is: 4. soluble in both acidic and basic solutions

Explanation:

Oxide is a chemical compound formed by an element with oxygen. In such compounds, the oxygen is generally present in the - 2 oxidation state.

Whereas, hydroxide is a chemical compound formed by an element with hydroxyl group (-OH).

Oxides and hydroxides of some elements are amphoteric in nature. Such compounds can behave as an acid in basic medium and behave as a base in acidic medium.

Therefore, amphoteric oxides and hydroxides are soluble in both acidic and basic solutions.