2SnCl2 +4 HCl + 2NO -> 2SnCl4 + N2 + 2H2O
Sn(+2) -2e -> Sn(+4) 2. ок-ие
в-ль
2N(+2) +4e -> N2(0) 1. в-ие
ок-ль
4P + 5O2 = 2P2O5
n(P) = 6.7/31 = 0.22 моль
n(P2O5) = 0.11 моль
m(P2O5) = 0.11*142 = 15.62 г
С2H6-C2H4-C2H5OH-CH3=O -CH3COOH-ClCH2OOH
-H
1.C2H6-(катализатор Ni,t) C2H4+H2
2 C2H4+H2O-C2H5OH
3 C2H5OH+CuO-CH3=O +Cu+H2O
-H
4 CH3=O +2Cu(OH)2-CH3COOH+HCl
-H
5 CH3COOH+Cl2-ClCH2COOH+HCl
4HNO3 -> 4NO2 + 2H2O + O2 разложение
3Mg + N2 -> Mg3N2 соединение
Fe + 2HCl -> FeCl2 + H2 замещение