а)C2H4->C2H5-NH2C2H4+HCl=C2H5ClC2H5Cl+2NH3=C2H5-NH2+NH4Clб)C2H4->(C2H5)3NC2H4+HCl=C2H5ClC2H5Cl+2NH3=C2H5-NH2+NH4ClC2H5Cl+C2H5-NH2=(C2H5)2NH+HCl(C2H5)2NH+C2H5Cl=HCl+(C2H5)3Nв)C2H4->С3H7-NH2CH2=CH2+HCHO= CH2=CH-CH2OH CH2=CH-CH2OH+H2=CH3-CH2-CH2OHCH3-CH2-CH2OH+NaCl=CH3-CH2-CH2-Cl+NaOHCH3-CH2-CH2-Cl+2NH3=CH3-CH2-CH2-NH2+NH4Cl