(1) \(CH_4\rightarrow C_2H_2\rightarrow C_4H_4\rightarrow C_4H_6\rightarrow\) cao su Buna.
\(2CH_4\xrightarrow[lln]{^{1500^oC}}C_2H_2+3H_2\)
\(2C_2H_2\underrightarrow{^{t^o,xt,p}}C_4H_4\)
\(CH\equiv C-CH=CH_2+H_2\underrightarrow{^{t^o,Pd}}CH_2=CH-CH=CH_2\)
\(nCH_2=CH-CH-CH_2\underrightarrow{^{t^o,p,xt}}\left(-CH_2-CH-CH-CH_2-\right)_n\)
(2) \(CH_4\rightarrow C_2H_2\rightarrow C_6H_6\)
\(2CH_4\xrightarrow[lln]{^{1500^oC}}C_2H_2+3H_2\)
\(3C_2H_2\underrightarrow{^{t^o,p,xt}}C_6H_6\)
(3) \(CH_4\rightarrow C_2H_2\rightarrow C_2H_4\rightarrow\) polietilen.
\(2CH_4\xrightarrow[lln]{^{1500^oC}}C_2H_2+3H_2\)
\(C_2H_2+H_2\underrightarrow{^{t^o,Pd}}C_2H_4\)
\(nCH_2=CH_2\underrightarrow{t^o,p,xt}\left(-CH_2-CH_2-\right)_n\)
(1) CH4→C2H2→C4H4→C4H6→��4→�2�2→�4�4→�4�6→ cao su Buna.
2CH41500oC−−−→llnC2H2+3H22��4→���1500���2�2+3�2
2C2H2to,xt,p−−−→C4H42�2�2��,��,�→�4�4
CH≡C−CH=CH2+H2to,Pd−−→CH2=CH−CH=CH2��≡�−��=��2+�2��,��→��2=��−��=��2
nCH2=CH−CH−CH2to,p,xt−−−→(−CH2−CH−CH−CH2−)n���2=��−��−��2��,�,��→(−��2−��−��−��2−)�
(2) CH4→C2H2→C6H6��4→�2�2→�6�6
2CH41500oC−−−→llnC2H2+3H22��4→���1500���2�2+3�2
3C2H2to,p,xt−−−→C6H63�2�2��,�,��→�6�6
(3) CH4→C2H2→C2H4→��4→�2�2→�2�4→ polietilen.
2CH41500oC−−−→llnC2H2+3H22��4→���1500���2�2+3�2
C2H2+H2to,Pd−−→C2H4�2�2+�2��,��→�2�4
nCH2=CH2to,p,xt−−−−−→(−CH2−CH2−)n
