A) -3)
CaCl₂ + Ba(CH₃COO)₂ ≠
MgSO₄ + Ba(CH₃COO)₂ = BaSO₄↓ + Mg(CH₃COO)₂
Б) - 4)
2AgNO₃ + Fe = Fe(NO₃)₂ + Ag↓
ZnCl₂ + Fe ≠
B) - 2)
Ba(OH)₂ + K₂CO₃ = BaCO₃↓ + 2KOH
NaOH + K₂CO₃ ≠
<span> MgOHCL, FeOHCL, (CuOH)2So4</span>
H2C=CH2 + HCl -kat-> H3C-CH2Cl
H3C-CH2Cl + H2O -kat-> H3C-CH2OH + HCl
H3C-CH2OH -kat, H2SO4 -> H2C=CH2 + H2O
H2C=CH2 + H2O -kat,t-> H3C-CH2OH