for each of the following oxides, indicate whether it is ionic or molecular and whether it...

for each of the following oxides, indicate whether it is ionic or molecular and whether it is acidic or basic. Then write a balanced equation for the reaction with the oxide and water. SO2(g), CaO(s), Li2O(s), SeO(s), P4O6(s)

Solutions

Expert Solution

SO₂(g) : Molecular and Acidic

Because, when sulfur dioxide is dissolved in rain, it makes sulfurous acid in the reaction

SO₂ + H₂O H₂SO₃

CaO(s): Ionic and basic

Basic oxides are always oxides of metals. They combine with water to form bases which are usually called metal hydroxides.

CaO(s) + H₂O Ca(OH)₂

SeO(s): Molecular and Ionic

SeO₂ is considered an acidic oxide: it dissolves in water to form selenous acid.

SeO₂ + H₂O ⇄ H₂SeO₃

P₄O₆(s): Molecular and acidic

Phosphorus trioxide reacts with water to form phosphorous acid, reflecting the fact that it is the anhydride of that acid.

P₄O₆ + 6 H₂O → 4 H₃PO₃

queen_honey_blossom answered 1 year ago

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