a)
\({C_4}{H_{10}}\xrightarrow{{{t^o}}}{C_2}{H_4} + {C_2}{H_6}\)
\({C_2}{H_4} + {H_2}\xrightarrow{{Ni,{t^o}}}{C_2}{H_6}\)
\({C_2}{H_6}\xrightarrow{{{t^o},xt}}{C_2}{H_4} + {H_2}\)
\({C_2}{H_4} + HCl\xrightarrow{{}}{C_2}{H_5}Cl\)
\({C_2}{H_5}Cl + NaOH\xrightarrow{{}}{C_2}{H_5}OH + NaCl\)
\(2{C_2}{H_5}OH\xrightarrow{{{t^o},xt}}C{H_2} = CH - CH = C{H_2} + 2{H_2}O + {H_2}\)
\(nC{H_2} = CH - CH = C{H_2}\xrightarrow{{{t^o},xt}}{( - C{H_2} - CH = CH - C{H_2} - )_n}\)
b)
\({C_4}{H_{10}}\xrightarrow{{{t^o},xt}}C{H_2} = CH - CH = C{H_2} + 2{H_2}\)
\(C{H_2} = CH - CH = C{H_2} + 2{H_2}\xrightarrow{{Ni,{t^o}}}C{H_3} - C{H_2} - C{H_2} - C{H_3}\)
\({C_4}{H_{10}}\xrightarrow{{{t^o}}}{C_2}{H_4} + {C_2}{H_6}\)
\(n{C_2}{H_4}\xrightarrow{{{t^o},xt}}{( - C{H_2} - C{H_2})_n}\)
\({( - C{H_2} - C{H_2})_n} + 3n{O_2}\xrightarrow{{{t^o}}}2nC{O_2} + 2n{H_2}O\)
