1. () . , - : (), (Red), ( Red).
Mn O2, N O3, Cu, H2 S
Mn O2 + 2*(- 2) = 0 = +4
VII , , +7, 0. , , - , ( Red).
N O3 + 3*( 2) = 1 = +5
V , , +5, N O3 - ()
Cu = 0
, 0, (Red)/
H2 S = 2
VI , ,
+ 6, 6 8 = - 2, , - H2 S (Red).
+4 .. +7
MnO2 Red
.. 0
+5 .. +5
NO3
.. 3
.. +3
Cu0 Red
.. 0
-2 .. + 6
H2S Red
.. -2
2. .
.
- | 1- | 2- |
KMnO4+KI+H2O MnO2, J2 | Ni+HCl | |
Cr2O3+KNO3+NaOH CrO42-, NO2- | Ni+H2SO4., t | |
MnO2+KNO3+KOH MnO42-, NO2- | Co+HNO3. | |
KMnO4+KI+NaOH MnO42-, IO3- | Co+H2SO4. | |
K2Cr2O7+FeSO4+H2SO4 Fe3+, Cr3+ | Co+HCl | |
KMnO4+V2(SO4)3+H2O MnO2, VO2+ | Co+H2SO4. | |
K2MnO4+Na2SO3+H2O MnO2, SO42- | Fe+H2SO4. | |
MnSO4+PbO2+HNO3 MnO2, Pb2+ | Fe+H2SO4., t | |
Cr2(SO4)3+NaClO+NaOH CrO42-, Cl- | Fe+HCl | |
Mn(NO3)2+NaBiO3+H2SO4 MnO4-, Bi3+ | Fe+HNO3. | |
Cr2O3+KClO3+NaOH CrO42-,Cl- | Fe(OH)2+O2+H2O | |
K2Cr2O7 +H2S+H2SO4 Cr3+, S | Ni + O2 +H2O | |
- | 1- | 2- |
FeCl3+Cl2+KOH FeO42-, Cl- | Sn + H2O + O2 | |
Ni(OH)2+NaClO + H2O Ni(OH)3, Cl- | Co + NaOH + O2 + H2O | |
Co(OH)3+HCl Co2+, Cl2 | Ni + NaOH + O2 | |
Na2SO3+K2Cr2O7+H2SO4 Cr3+, SO42- | Cr + H2O | |
HCl + HNO3 Cl2, NO | Cr + H2O + O2 | |
Fe2O3+KNO3+NaOH FeO42-, NO2- | Sn + NaOH + O2 + H2O | |
H2S + Cl2+H2O SO42-, Cl- | V+HNO3. | |
Fe2(SO4)3+Na2S+H2SO4 Fe2+, S | Ti+H2SO4. | |
K2Cr2O7 +HCl Cr3+, Cl2 | V+H2SO4. | |
KCrO2 + Cl2 + KOH CrO42-, Cl- | Ti+HNO3. | |
NaNO3 + Zn + NaOH ZnO22-, NH3 | Ti+O2+NaOH + H2O | |
SO2 + NaJO3 + H2O SO42-, I- | Cu + H2SO4. | |
FeCl2+KMnO4+H2SO4 Fe3+, Mn2+ | Al + NaOH + H2O | |
FeCl2 + HNO3 + HCl Fe3+, N2O | Fe + H2O + O2 | |
MnO2+KClO3+KOH MnO42-,Cl- | Zn + HCl + O2 | |
KMnO4+NaNO2+H2SO4 Mn2+, NO3- | Zn + O2+NaOH + H2O | |
KMnO4+Na3SO3+NaOH MnO42-, SO42- | Cu + O2+NaOH + H2O | |
K2Cr2O7+SnCl2+H2SO4 Sn4+, Cr3+ | Be+HNO3. |
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