In the acidic reaction

CHEMISTRY · Subjective · AP · Chemistry · Chemical Reactions · Chemical Reactions

Problem

In the acidic reaction Cr2O72−+3 SO32−+8 H+→2 Cr3++3 SO42−+4 H2OCr_2O_7^{2-} + 3\,SO_3^{2-} + 8\,H^+ \rightarrow 2\,Cr^{3+} + 3\,SO_4^{2-} + 4\,H_2O, state the oxidation number of chromium before and after the reaction and name the oxidizing agent.

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