1)CH3-CH2-OH=(t 170)CH2=CH2+HOH
2)CH2=CH2+2CL=(hV(свет))=CH2=CH(Cl)+HCl
3)2CH2=CH(Cl)+2Na= CH2=CH-CH=CH2+2NaCl
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1) CaCO3+3C=(t 2000, сплав)CaC2+CO+CO2
2)CaC2+2H2O=Ca(OH)2+C2H2
3)C2H2+H2=(t,Ni)C2H4
4)C2H4+H2O=C2H5OH
5)C2H5OH+Hcl(к)=C2H5Cl+H2O
6)C2H5CL+NaOH(спирт)=C2H4+NaCl+H2O