What happens when sulphur dioxide is dissolved in water? Write a word

1.	What happens when sulphur dioxide is dissolved in water? Write a word equation for the reaction which takes place.
Answer» When sulphur dioxide is dissolved in water, then it forms sulphurous acid (H₂SO₃). Explanation: Metals react with oxygen to form metallic oxides. These metallic oxides are basic in nature because they react with water to form bases. On the other hand, non-metals react with oxygen to form non-metallic oxides and these oxides differ from metallic oxides because they are acidic in nature. Also, non-metallic oxides react with water to form acids. Sulphur is non-metal, and sulphur dioxide (SO₂) is acidic in nature. Thus, it reacts with water to form sulphurous acid (H₂SO₃ or H₂O.SO₂) The chemical reaction is: SO₂ + H₂O → H₂SO₃

What happens when sulphur dioxide is dissolved in water? Write a word equation for the reaction which takes place.

Answer»

When sulphur dioxide is dissolved in water, then it forms sulphurous acid (H₂SO₃).

Explanation: Metals react with oxygen to form metallic oxides. These metallic oxides are basic in nature because they react with water to form bases. On the other hand, non-metals react with oxygen to form non-metallic oxides and these oxides differ from metallic oxides because they are acidic in nature. Also, non-metallic oxides react with water to form acids.

Sulphur is non-metal, and sulphur dioxide (SO₂) is acidic in nature. Thus, it reacts with water to form sulphurous acid (H₂SO₃ or H₂O.SO₂)

The chemical reaction is: SO₂ + H₂O → H₂SO₃

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