фтвфкещт20 1 цепочка:

1)C2H6=C2H4+H2

2)C2H4+Br2=C2H4Br2

3)C2H4Br2=C2H4+Br2

4)C2H4+CH3COH=C2H4-CH3COH

2 цепочка:

1)Al4C3+12 H2O=4 Al(OH)3+3 CH4

2)2 CH4=C2H2+3 H2

3)C2H2+H2O=CH3COH

4)CH3-COH+Ag2O=CH3-COOH+2Ag

5) 2CH3COOH + Na2CO3 = 2CH3COONa + CO2 ↑ + H2O


6)CH4+Cl2=CH3Cl+HCl