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Why is sulphur dioxide solution weakly acidic?

April 26, 2017acidic Chemistry DIOXIDE Mathematics solution sulphur weakly

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Why is sulphur dioxide solution weakly acidic?

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when sulfur dioxide dissolve in water (sulfur dioxide solution), the following happens: SO2 + H2O == H2SO3 H2SO3 is sulfurous acid acid. It is a weak acid that will release H+ as follow H2SO3 == HSO3- + H+ The above reaction is in an equilibrium state.