Ch3 ch2 c ch hcl. Ch2 Ch ch2 c c ch3+HCL. Ch-c-(ch3)=Ch-ch3+HCL. Ch2=ch2-ch3 HCL. H2c ch2 HCL. Ch3ch2ch2oh HCL. Из ch3cl в ch3oh. Ch3oh cl2. Ch3ch2oh+hbr ГАЗ. H2c CL HC=Ch-ch2. HC C ch2 ch3 h2o. Ch2 h2c ch2. 2cl2. Ch3cl+cl2. CL CL cl2. CL + ch4 экзотермическая