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Chemistry
Chemistry
Problem
In the acidic reaction
C
r
2
O
7
2
−
+
3
S
O
3
2
−
+
8
H
+
→
2
C
r
3
+
+
3
S
O
4
2
−
+
4
H
2
O
Cr_2O_7^{2-} + 3\,SO_3^{2-} + 8\,H^+ \rightarrow 2\,Cr^{3+} + 3\,SO_4^{2-} + 4\,H_2O
C
r
2
O
7
2
−
+
3
S
O
3
2
−
+
8
H
+
→
2
C
r
3
+
+
3
S
O
4
2
−
+
4
H
2
O
, state the oxidation number of chromium before and after the reaction and name the oxidizing agent.
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