Oxidation & reduction questions (1)

1. Give the oxidation state of sulfur in the reactants and products in the following reactions and in each case state whether it has been oxidized or reduced:(a) H2S(g) + Cl2(g) → 2HCl(g) + S(s)(b) Zn(s) + H2SO4(aq) → Zn2+(aq) + SO42–(aq) + H2(g)(c) 2S2O32–(aq) + I2(aq) → S4O62–(aq) + 2I–(aq)(d) 3SO32–(aq) + Cr2O72–(aq) + 8H+(aq) → 3SO42–(aq) + 2Cr3+(aq) + 4H2O(l)2. Give the oxidation state of the...


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