C3h8+cl2=c3h7cl+hcl;
Ch3-chcl-ch3+naoh =ch3-choh-ch3+nacl;
Ch3-choh-ch3=ch3-co-ch3+h2;
Ch3-co-ch3+h2=ch3-choh-ch3;
Ch3-choh-ch3->ch2=ch-ch3;
Ch2=ch-ch3+hbr->(над стрелкой напиши h202) ch2br-ch2-ch3;
Ch2br-ch2-ch3+naoh->ch2oh-ch2-ch3+nabr
2)ch3coh+h2->ch3-ch2oh;
Ch3-ch2oh+hcl->ch3-ch2cl+h20;
Ch3-ch2cl+koh->kcl+h20+ch2=ch2;
Ch2=ch2->ch(тройная связь)ch;
Ch(тройная связь)ch+2hcl->ch2cl-ch2cl;
Ch2cl-ch2cl+2naoh->2nacl+h2o+ch3-coh