Oxides Reacting with Water (AQA A-Level Chemistry): Flashcards

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Oxides Reacting with Water
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pH of Na2O\text{Na}_2\text{O} solution

14 (strongly alkaline)

pH of MgO\text{MgO} solution

9 (weakly alkaline)

Nature of Al2O3\text{Al}_2\text{O}_3

Amphoteric

pH of P4O10\text{P}_4\text{O}_{10} solution

0 (strongly acidic)

pH of SO2\text{SO}_2 solution

3 (weakly acidic)

pH of SO3\text{SO}_3 solution

0 (strongly acidic)

Anion from H3PO4\text{H}_3\text{PO}_4

Phosphate ions (PO43\text{PO}_4^{3-})

Anion from H2SO4\text{H}_2\text{SO}_4

Sulfate ions (SO42\text{SO}_4^{2-})

Basic oxides react with

Acids to form salt and water

Amphoteric oxides react with

Both acids and bases

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