Sulphur dioxide and no2
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Oxides of non-metals like sulfur dioxide, carbon dioxide, and nitrogen dioxide can react with water to form acidic solutions. These oxides dissolve in water to produce acidic compounds like sulfuric acid, carbonic acid, and nitric acid, respectively.
They are also known as acidic oxides since they form acidic solutions in water.
Metals typically form basic oxides, which dissolve in water to form alkaline solutions. Nonmetals usually form acidic oxides, which can react with water to form acidic solutions. Oxides of metalloids can exhibit both acidic and basic properties.
Most nonmetallic oxides react with water to form acidic solutions. The reaction typically produces an acid by combining with water to form a compound that releases hydrogen ions when dissolved in water.
Rubidium does not form acidic oxides. Rubidium typically forms ionic compounds with nonmetals, resulting in basic oxides. Basic oxides react with water to form alkaline solutions.
Not all oxides dissolve in water. Some oxides, such as alkali metal oxides and alkaline earth metal oxides, are soluble in water and form basic solutions. However, other oxides, like non-metal oxides, are typically insoluble or react with water to form acidic solutions.