Give the characterization of the chemical properties of sulfur oxide (IV). Write down the equations

univerkov | September 1, 2021 | education

Give the characterization of the chemical properties of sulfur oxide (IV). Write down the equations for the characteristic reactions.

Sulfur (IV) oxide is an acidic oxide that has a fairly high chemical activity. Sulfur oxide (IV) dissolves in water: SO2 + H2O <—-> H2SO3, the reaction is reversible; reacts with alkalis: SO2 + 2NaOH -> Na2SO3 + H2O. Manifestation of reducing properties: SO2 + Br2 + 2H2O -> H2SO4 + 2HBr; 2SO2 + O2 -> 2SO3; 5SO2 + 2KMnO4 + 2H2O -> 2H2SO4 + 2MnSO4 + K2SO4; Fe2 (SO4) 3 + SO2 + 2H2O -> 2FeSO4 + 2H2SO4. The manifestation of oxidizing properties in the presence of a strong reducing agent: SO2 + 2CO -> 2CO2 + S.

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