Acid Rain
n
SO
2
(g)
undergoes a series of reactions in
the atmosphere
n
2 SO
2
(g)
+
O
2
(g)
¾®
2 SO
3
(g)
n
SO
3
(g)
+
H
2
O
(l)
¾®
H
2
SO
4
(aq)
§
Contributes to a phenomenon known as
“acid rain”
