EFFECTS OF ACID RAIN
EFFECTS OF ACID RAIN
EFFECTS OF ACID RAIN
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Chemical reactions leading to acidity in rain<br />
Gas phase oxidation of SO 2 ( 1 – 2 weeks)<br />
SO 2 + OH + M HSO 3 + M<br />
HSO 3 + O 2 SO 3 + HO 2<br />
SO 3 + H 2O H 2SO 4<br />
Liquid phase (in cloud) oxidation of SO 2 ( ~ days )<br />
SO 2 SO 2 H 2 O HSO 3 - + H +<br />
(add H 2 O 2 from atm)<br />
HSO 3 - + H2O 2 + H + SO 4 = + 2H + + H2O<br />
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