C ch4 ch3cl c2h6 c2h4 co2. C2h4cl2+h2. Ch ch3cl c2h6. C ch4 ch3cl c2h6. цепочка превращений c ch4 c2h6 c2h4.
C ch4 ch3cl c2h6 c2h4 co2. Ch4 c2h2 c6h6 цепочка. Ch3ch2cl c2h4. C ch4 ch3br c2h6. C ch4 ch3cl c2h6.
Ch3br+na c2h6. C2h5 c2h4 c2h5oh. C ch4 ch3cl c2h6. C ch4 ch3cl c2h5cl>c4h10. C ch4 ch3cl c2h6 c2h4 co2.
цепочка с - c2h6 - c2h5br. C2h6 c2h4 c2h5oh. C6h6 с2н4. C2h5cl. C ch4 ch3cl c2h6.
в цепочке превращений ch3 – ch2. осуществите превращения co2 c 2. C ch4 ch3cl c2h6 c2h4 co2. цепочка c ch4 ch3cl c2h6 c2h4 c2h5oh. C ch4 ch3cl c2h6 co2.