Oxides are divided into two large groups: acidic oxides and basic oxides. What is the difference between them? The most important thing is the starting material, which is formed after a chemical reaction with water. If an acidic oxide interacts with water, then an acid is formed as a result of the reaction. If the basic oxide reacts with water, a base is formed. Let’s look at two examples of interaction:
Hexavalent acidic sulfur oxide reacts with water to form sulfuric acid.
SO3 + H2O = H2SO4
Potassium oxide reacts with water to form potassium hydroxide.
K2O + H2O = KOH + H2.
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