$C + O_2 \xrightarrow{t^o} CO_2$
$CO_2 + Ca(OH)_2 \to CaCO_3 + H_2O$
$CaCO_3 + 2HCl \to CaCl_2 + CO_2 + H_2O$
$CO_2 + C \to 2CO$

$C_2H_4 + H_2O \xrightarrow{t^o,H^+} C_2H_5OH$
$C_2H_5OH + O_2 \xrightarrow{men\ giấm} CH_3COOH + H_2O$
$CH_3COOH + C_2H_5OH \buildrel{{H_2SO_4,t^o}}\over\rightleftharpoons CH_3COOC_2H_5 + H_2O$
$CH_3COOC_2H_5 + NaOH \to CH_3COONa + C_2H_5OH$

\(C_2H_4+H_2O\underrightarrow{H^+,t^o}C_2H_5OH\)

\(C_2H_5OH+O_2\underrightarrow{men.giấm}CH_3COOH+H_2O\)

\(CH_3COOH+C_2H_5OH\underrightarrow{H_2SO_{4\left(đ\right)},t^o}CH_3COOC_2H_5+H_2O\)

\(CH_3COOC_2H_5+NaOH\underrightarrow{t^o}CH_3COONa+C_2H_5OH\)

 C₂H₄ → C₂H₅OH → CH₃COOH → CH₃COOC₂H₅ → C₂H₅OH

(1)   C₂H₄ + H₂O \(\underrightarrow{axit}\) C₂H₅OH

(2)  C₂H₅OH  + O₂  \(\xrightarrow[25^0-30^0C]{mengiam}\) CH₃COOH + H₂O

(3)   CH₃COOH + C₂H₅OH → CH₃COOC₂H₅ + H₂O

(4) CH₃COOC₂H₅ + NaOH \(\underrightarrow{t^0}\) CH₃COONa + C₂H₅OH

\(C_2H_4+H_2O\underrightarrow{t^o,xt}C_2H_5OH\)

\(C_2H_5OH+O_2\underrightarrow{^{mengiam}}CH_3COOH+H_2O\)

\(CH_3COOH+C_2H_5OH⇌CH_3COOC_2H_5+H_2O\) (xt: H₂SO₄ đặc, t^o)

\(CH_3COOC_2H_5+NaOH\underrightarrow{t^o}CH_3COONa+C_2H_5OH\)

\(C_2H_4+H_2\underrightarrow{t^o,Ni}C_2H_6\)

\(C_2H_6+Cl_2\underrightarrow{as}C_2H_5Cl+HCl\)

\(C_2H_5Cl+NaOH\rightarrow C_2H_5OH+NaCl\)

\(C_2H_5OH+O_2\underrightarrow{^{mengiam}}CH_3COOH+H_2O\)

\(CH_3COOH+NaOH\rightarrow CH_3COONa+H_2O\)

\(CH_3COONa+NaOH\underrightarrow{CaO,t^o}CH_4+Na_2CO_3\)

$B$

Giải thích:

$A$ không thực hiện được vì $C_2H_4$ chưa thể điều chế ngay $CH_3COOC_2H_5$

$C$ không thực hiện được vì $CH_3COOC_2H_5$ chưa thể điều chế ngay $C_2H_4$

$D$ không thực hiện được vì $CH_3COOH$ không thể điều chế ngay được $C_2H_4$

PTHH:

\(C_2H_4+H_2O\xrightarrow[axit]{t^o}C_2H_5OH\\ C_2H_5OH+O_2\xrightarrow[]{\text{men giấm}}CH_3COOH+H_2O\\ CH_3COOH+C_2H_5OH\xrightarrow[H_2SO_{4\left(đặc\right)}]{t^o}\)

Theo chiều từ trái sang, từ trên xuống nhé

\(C_2H_2+H_2\underrightarrow{t^o,Pd,PbCO_3}C_2H_4\)
\(C_2H_4+H_2O\underrightarrow{H^+,t^o}C_2H_5OH\)

\(C_2H_5OH+O_2\underrightarrow{men.giấm}CH_3COOH+H_2O\)

\(CH_3COOH+C_2H_5OH\underrightarrow{H_2SO_{4\left(đ\right)},t^o}CH_3COOC_2H_5+H_2O\)

\(CH_3COOC_2H_5+NaOH\underrightarrow{t^o}CH_3COONa+C_2H_5OH\)

\(C_2H_4+Br_2\rightarrow C_2H_4Br_2\)

\(2C_2H_5OH+2Na\rightarrow2C_2H_5ONa+H_2\)

\(2CH_3COOH+CuO\rightarrow\left(CH_3COO\right)_2Cu+H_2O\)

\(CH_3COOC_2H_5+NaOH\underrightarrow{t^o}CH_3COONa+C_2H_5OH\)

\(C_2H_5OH+3O_2\underrightarrow{t^o}2CO_2+3H_2O\)

\(C_2H_2+C_2H_4\xrightarrow[t^o]{Pd\text{/}PdCO_3}C_2H_4\\ C_2H_4+H_2O\xrightarrow[H^+]{t^o}C_2H_5OH\\ C_2H_5OH+O_2\underrightarrow{\text{men giấm}}CH_3COOH+H_2O\\ CH_3COOH+C_2H_5OH\xrightarrow[t^o]{H_2SO_{4\left(đặc\right)}}CH_3COOC_2H_5+H_2O\\ CH_3COOC_2H_5+NaOH\rightarrow CH_3COONa+C_2H_5OH\)

\(C_2H_4+Br_2\rightarrow C_2H_4Br_2\\ C_2H_5OH+Na\rightarrow C_2H_5ONa+\dfrac{1}{2}H_2\\ 2CH_3COOH+CuO\rightarrow\left(CH_3COO\right)_2Cu+H_2O\\ CH_3COOC_2H_5+KOH\rightarrow CH_3COOK+C_2H_5OH\\ C_2H_5OH+3O_2\underrightarrow{t^o}2CO_2+3H_2O\)

\(\left(-C_6H_{10}O_5-\right)_n+nH_2O\rightarrow nC_6H_{12}O_6\\ C_6H_{12}O_6\underrightarrow{\text{men rượu}}2C_2H_5OH+2CO_2\\ C_2H_5OH+O_2\underrightarrow{\text{men giấm}}CH_3COOH+H_2O\\ CH_3COOH+C_2H_5OH\xrightarrow[t^o]{H_2SO_{4\left(đ\right)}}CH_3COOC_2H_5+H_2O\)

1)nH2O+(C6H10O5)n→nC6H12O6
(2)C6H12O6lm→2C2H5OH+2CO2
(3)C2H5OH+O2to,xt→CH3COOH+H2O
(4)C2H5OH+HCOOH→H2O+HCOOC2H5