Question

what happens when Sulphur dioxide is dissolved in water ? give chemical equation also

Answer 1

SO2 reacts with water to form sulphurous acid.

SO2 + H2O ----------> H2SO3

Answer 2

The reaction of Sulphur dioxide with water leads to the formation of acid called Sulfurous acid.

• Sulfur dioxide is a gas with chemical formula $SO_2$, whereas water is a liquid with the chemical formula $H_2O$.
• When the gas is dissolved in water, it yields an acid called sulfurous acid with chemical formula $H_2SO_3$ as shown in the chemical equation:
• $S O_{2}+H_{2} O \rightarrow H_{2} S O_{3}$
• Sulfurous acid is a good reducing agent with molar mass 82.07g/mol.

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