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Question
Write the reactions of SO2 and oxides of nitrogen which leads to acid rain formation.
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Solution
Reactions of SO2:
\[\ce{SO2 + 1/2O2->[hv]SO3}\]
\[\ce{SO3 + H2O->H2SO4}\]
Reactions of oxide of nitrogen:
\[\ce{N2 + O2->[electric][discharge]2NO}\]
\[\ce{2NO + O2 -> 2NO2}\]
\[\ce{3NO2 + H2O->2HNO3 + NO }\]
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