II. Identify oxidizing agent and reducing agent in the reactions. 1. 2Na2S203 + I2 Na2S4O6 + 2Nal 2. N2+ 3H2 2NH3 3. 2FEC13 + H2S 2FeCl2 + S + 2HC1 4. 2 Cr3+ +H2O+ 6C1O3- - → Cr2072- +6C102 + 2H+ 5. 3Mg + N2→ Mg3N2

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