Redoxní reakce

14. června 2011 v 12:28 | Michlík |  Chemie
Oxidačně-redukční rovnice na procvičení
a) NH3 + O2 → NO + H2O
b) Cr2O3 + KNO3 + K2CO3 → K2CrO4 + CO2 + KNO2
c) HI + H2SO4 → I 2 + S + H2O
d) KMnO4 + H2O2 + H2SO4 → MnSO4 + K2SO4 + O2 + H2O
e) I 2 + Cl2 + H2O → HIO3 + HCl
f) AsH3 + HNO3 → H3AsO4 + NO2 + H2O
g) BiCl3 + SnCl2 → Bi + SnCl4
h) As2O3 + Br2 + H2O → H3AsO4 + HBr
ch) K2Cr2O7 + H2S + H2SO4 → K2SO4 + S + Cr2(SO4)3 + H2O
i) HgS + HNO3 + HCl → HgCl2 + S + NO + H2O
j) FeSO4 + HNO3 + H2SO4 → Fe2(SO4)3 + NO + H2O
k) KMnO4 + KI + H2SO4 → MnSO4 + I2 + K2SO4 + H2O
l) KBr + K2Cr2O7 + H2SO4 → Br2 + Cr2(SO4)3 + K2SO4 + H2O
m) FeSO4 + KMnO4 + H2SO4 → Fe2(SO4)3 + MnSO4 + K2SO4 + H2O
Reakce disproporcionační a synproporcionační
a) ClO2 + NaOH → NaClO3 + NaClO2 + H2O
b) KBrO3 + KBr + H2SO4 → Br2 + K2SO4 + H2O
c) I2 + Ba(OH)2 → BaI2 + Ba(IO3)2 + H2O
d) KClO3 + H2SO4 → HClO4 + ClO2 + KHSO4 + H2O
e) P4 + Ba(OH)2 + H2O → PH3 + Ba(H2PO2)2
f) KClO3 → KClO4 + KCl
g) H2S + SO2 → S + H2O
h) NaIO3 + NaI + HCl → I2 + NaCl + H2O
Částečná oxidace nebo redukce
a) Cd + HNO3 → Cd(NO3)2 + NH4NO3 + H2O
b) CuS + HNO3 → Cu(NO3)2 + H2SO4 + NO2 + H2O
c) Ag + HNO3 → AgNO3 + NO + H2O
d) Cu + H2SO4 → CuSO4 + SO2 + H2O
e) KMnO4 + HCl → KCl + MnCl2 + Cl2 + H2O
f) Zn + HNO3 → Zn(NO3)2 + NH4NO3 + H2O
g) Fe + HNO3 → Fe(NO3)2 + NO + H2O
Složitější redoxní rovnice
a) As2S3 + HNO3 → H3AsO4 + S + NO2 + H2O
b) KNO3 + S + C → K2S + N2 + CO2
c) H2O2 + KMnO4 + H2SO4 → O2 + MnSO4 + K2SO4 + H2O
d) (NH4)2S2O8 + NH3 → N2 + (NH4)2SO4
(NH4)2S2O8 je peroxodisíran diamonný, 6 atomů O-II, 2 atomy O-I
(NH4)2S2O7 je disíran diamonný, všech 7 atomů O-II
 

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