Identify the oxidizing and reducing agents in the following unbalanced reactions:           a) I2 + H2S → HI + S         b) Zn + HNO3 → Zn(NO3)2 + NO2 + H2O         c) Ag2O + NH3 → Ag + H2O + N2       d) H2O + ClO31– + SO2 → SO42– + HCl         e) K2Cr2O7 + HBr → KBr + CrBr3 + H2O + Br2       f) SnCl2 + PbCl4 → SnCl4 + PbCl2       g) Sb + Cl2 → SbCl3

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds
Section20.4: Silver And Gold: The Other Coinage Metals
Problem 20.5E
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  1. Identify the oxidizing and reducing agents in the following unbalanced reactions:    

      a) I2 + H2S → HI + S  

      b) Zn + HNO3 → Zn(NO3)2 + NO2 + H2O  

      c) Ag2O + NH3 → Ag + H2O + N2

      d) H2O + ClO31– + SO2 → SO42– + HCl  

      e) K2Cr2O7 + HBr → KBr + CrBr3 + H2O + Br2

      f) SnCl2 + PbCl4 → SnCl4 + PbCl2

      g) Sb + Cl2 → SbCl3

      h) NaI + H2SO4 → H2S + I2 + Na2SO4 + H2O 

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