OXIDATION REDUCTION
WORKSHEET 1
Balance the following oxidation reduction reactions.
1. H2S + HNO3  S + NO + H2O
2. H2S + HNO3  H2SO4 + NO2 + H2O
3. HI + H2SO4  I2 + H2S + H2O
4. HBr + H2SO4  Br2 + SO2 + H2O
5. KMnO4 + HBr  Br2 + MnBr2 + KBr + H2O
6. KMnO4 + H2S + H2SO4  S + MnSO4 + K2SO4 + H2O
7. K2Cr2O7 + H2S + H2SO4  S + Cr2(SO4)3 + K2SO4 + H2O
BALANCING REDOX REACTIONS
WORKSHEET 2
1.
2.
3.
4.
5.
6.
7.
S + H2SO4  SO2 + H2O
NaOH + Br2  NaBrO3 + NaBr + H2O
S + HNO3  H2SO4 + NO2 + H2O
Cu + HNO3  Cu(NO3)2 + NO2 + H2O
Fe + HNO3  Fe(NO3)2 + NO + H2O
HBr + K2Cr2O7  CrBr3 + KBr + Br2 + H2O
FeCl2 + KNO3 + HCl  FeCl3 + NO + H2O + KCl
REDOX EQUATIONS
WORKSHEET 3
1. Zn + NaNO3 + NaOH  Na2ZnO2 + NH3 + H2O
2. K2Cr2O7 + CH3OH + H2SO4  Cr2(SO4)3 + K2SO4 + HCOOH + H2O
3. KClO2 + KBiO3 + HClO3  Bi(ClO3)3 + KClO3 + H2O
4. F2 + KOH  KF + F2O + H2O
5. Pb3O4 + HCl  PbCl2 + Cl2 + H2O
6. Sb2(SO4)3 + KMnO4 + H2O  H3SbO4 + K2SO4 + MnSO4 +H2SO4
7. Na2S2O3 + I2  Na2S4O6 + NaI