For any oxidation-reduction reaction given below, identify the element oxidized, element reduced, oxidizing agent and reducing agent. a.  SeO32− + 4 I− + 6 H+-> Se + 2 I2 + 3 H2O b.  Na2S(aq) + 2 HCl(aq) -> H2S(g) + 2 NaCl(aq) c.  3 S2O42− + 2 CrO42− + 2 H2O + 2 OH−-> 2 Cr(OH)3 + 6 SO32−

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Q: 8 H+(aq) + Cr2O72-(aq) + 3 H2S (aq)----> 2 Cr+3 (aq) + 7 H2O (l) + 3 S (s) a. Assign oxidation…

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