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Write ionic equation for the reaction between `Cr_(2)O_(7)^(2-)` ions and `Fe^(2+)` ions in acidic medium?

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(Cr)_(2) (O)_(7)^(2-)+14 (H)^(+)+6 (Fe)^(2+) rarr 2 (Cr)^(2)+6 (Fe)^(2+)+7 (H)_(2) (O).
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Chimical reactions which involve oxidation and reduction are called redox reactions. The unbalanced equation in the ionic form of a redox reaction is shown below Fe^(2+) (aq) +Cr_2O_7^(2-) (aq) overset(acidic medium) (rarr)Fe^(3+) (aq) +Cr^(3+) (aq) a) Identify the oxidizing agent in this reaction

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