Question:
Among \( \text{B}_2\text{O}_3 \), \( \text{Al}_2\text{O}_3 \), and \( \text{In}_2\text{O}_3 \), the oxides which react with alkalies are:
Among \( \text{B}_2\text{O}_3 \), \( \text{Al}_2\text{O}_3 \), and \( \text{In}_2\text{O}_3 \), the oxides which react with alkalies are:
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Remember: acidic and amphoteric oxides react with alkalis, whereas basic oxides generally do not.
Updated On: Jun 3, 2025
- \( \text{Al}_2\text{O}_3 \), \( \text{In}_2\text{O}_3 \) only
- \( \text{B}_2\text{O}_3 \), \( \text{Al}_2\text{O}_3 \) only
- \( \text{B}_2\text{O}_3 \), \( \text{In}_2\text{O}_3 \) only
- \( \text{B}_2\text{O}_3 \), \( \text{Al}_2\text{O}_3 \), and \( \text{In}_2\text{O}_3 \)
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The Correct Option is B
Solution and Explanation
Boron trioxide (\( \text{B}_2\text{O}_3 \)) and aluminium oxide (\( \text{Al}_2\text{O}_3 \)) are acidic and amphoteric respectively, and hence react with alkalies. Indium oxide (\( \text{In}_2\text{O}_3 \)) is basic and does not react with alkali.
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