1) HgSO4,t
СН ≡ СH + H2O ------------> CH3COH
2) C(акт),t
3СН ≡ СH ----------------> C6H6
H2SO4,t
C6H6 + HNO3 -------------> C6H5NO2 + H2O
C6H5NO2 + H2S ---------> C6H5NH2 + 3S + 2H2O
3) t
CaCO3 ----------> CaO + CO2
t
CaO +3 C ---------> CaC2 + CO
CaC2 + H2O ------> Ca(OH)2 + C2H2
Na2CO3 * 10H2O — формула кристаллической соды.
3Sn + 8HNO₃ = 3Sn(NO₃)₂ + 2NO↑ + 4H₂O
SnO + 2HNO₃ = Sn(NO₃)₂ + H₂O
Sn(OH)₂ + 2HNO₃ = Sn(NO₃)₂ + 2H₂O
SnI₂ + Pb(NO₃)₂ = Sn(NO₃)₂ + PbI₂↓
SnSO₄ + Ba(NO₃)₂ = Sn(NO₃)₂ + BaSO₄↓
SnF₂ + Cu(NO₃)₂ = Sn(NO₃)₂ + CuF₂↓
SnCl₂ + 2AgNO₃ = Sn(NO₂)₂ + 2AgCl↓
CH3COH + 2Cu(OH)2 = CH3COOH + Cu2O + 2H2O