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Acidified $$K_2Cr_2O_7$$ oxidizes:
- $$Fe^{2+} \rightarrow Fe^{3+}$$
- $$SO_3^{2-} \rightarrow SO_4^{2-}$$
- $$I^- \rightarrow I_2$$
Reaction: $$Cr_2O_7^{2-} + 14H^+ + 6e^- \rightarrow 2Cr^{3+} + 7H_2O$$
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Acidified $$K_2Cr_2O_7$$ oxidizes:
Reaction: $$Cr_2O_7^{2-} + 14H^+ + 6e^- \rightarrow 2Cr^{3+} + 7H_2O$$
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