$\rm 1)C + O_2 \xrightarrow{t^o} CO_2$

$\rm 2)6nCO_2 + 5nH_2O \xrightarrow[\text{Ánh sáng}]{Clorophin} (\kern-6pt- C_6H_{10}O_5 -\kern-6pt)_n + 6nO_2$

$\rm 3) (\kern-6pt- C_6H_{10}O_5 -\kern-6pt)_n + nH_2O \xrightarrow[axit]{t^o} nC_6H_{12}O_6$

$\rm 4)C_6H_{12}O_6 \xrightarrow[30-35^oC]{\text{men rượu}} 2C_2H_5OH + 2CO_2$

$\rm 5)C_2H_5OH + O_2 \xrightarrow{\text{men giấm}} CH_3COOH + H_2O$

$\rm 6)2Na + 2CH_3COOH \to 2CH_3COONa + H_2$

$\rm 7)C_2H_2 + H_2 \xrightarrow{t^o, Pd} C_2H_4$

$\rm 8)nCH_2=CH_2 \xrightarrow{t^o, p, xt}(\kern-6pt- CH_2-CH_2 -\kern-6pt)_n$

`(1) C+O_2 overset[t^@][->] CO_2`

`(2) 6nCO_2+5nH_2O overset[text[clorophin], as][->]` $(\kern-6pt- C_6H_{10}O_5 -\kern-6pt)_n$ `+ 6nO_2`

`(3)` $(\kern-6pt- C_6H_{10}O_5 -\kern-6pt)_n$ `+ H_2O overset[t^@, text[axit]][->] nC_6H_12O_6`

`(4) C_6H_12O_6 overset[enzyme, 30->35^@C][->] 2C_2H_5OH+2CO_2`

`(5) C_2H_5OH+O_2 overset[text[mengiam]][->] CH_3COOH+H_2O`

`(6) 2CH_3COOH+Fe->(CH_3COO)_2Fe+H_2`

`(7) H_2+C_2H_2 overset[t^@, Pd//PbCO_3][->] C_2H_4`

`(8) nCH_2=CH_2 overset[t^@,p,xt][->]` $(\kern-6pt- CH_2-CH_2 -\kern-6pt)_n$