c2h6=c2h4+h2
c2h4+h2o=c2h5oh
c2h5oh+o2=ch3cooh+h2o
ch3cooh+cl2=ch2cl-cooh+hcl
ch2cl-cooh+nh3=nh2ch2cooh+h
c2h6=c2h4+h2
c2h4+h2o=c2h5oh
c2h5oh+o2=ch3cooh+h2o
ch3cooh+cl2=ch2cl-cooh+hcl
ch2cl-cooh+nh3=nh2ch2cooh+h