<span>1)СH3-COOH->CH2Cl-COOH->H2N-CH2COOH->H2N-CH2-COONa</span>
<span>2)CH4->CH3Br-CH5NH2->CH3-NH-C2H5</span>
<span>3)C2H6->C2H5NO2->C6H5NH2->[C6H5NH3]Cl</span>
<span>4)C6H5NO2->C6H5NH2->C6H5-NH-CH3->[C6H5-NH2-CH3]Cl</span>
2Al + Ba(OH)2 + 2H2O = Ba(AlO2)2 + 3H2
10FeSO4 + 2KMnO4 +8H2SO4 -> 2MnSO4 +5 Fe2(SO4)3 + K2SO4 + 8H2O
окислитель :MnO4− + 8H+ + 5e− = Mn2+ + 4H2O /1
восстановитель :Fe2+ − 1e− = Fe3+ /5
<span>MnO4− + 8H+ + 5Fe2+ = Mn2+ + 4H2O + 5Fe3+</span>
4NH3 + 5O2 = 4NO +6H2O
2NH3 + H2S = (NH4)2S или может быть NH3 + H2S = NH4HS
NH3 + HNO3 = NH4NO3
P2O5 + 3Ca(OH)2 = Ca3(PO4)2 +3 H2O
Ca(OH)2 + CO2 = CaCO3 + H2O