xác định x y rồi viết các phương trình hoá học thực hiện dãy biến hoá: x ->glucozơ -> rượu etylic ->y ->etylaxetat
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\(C_{12}H_{22}O_{11}+H_2O\underrightarrow{^{xt,t^0}}C_6H_{12}O_6+C_6H_{12}O_6\)
\(C_6H_{12}O_6\left(X\right)\underrightarrow{^{\text{men rượu}}}2C_2H_5OH+2CO_2\)
\(C_2H_5OH+O_2\underrightarrow{^{\text{men giấm}}}CH_3COOH\left(Y\right)+H_2O\)
\(CH_3COOH+C_2H_5OH⇌CH_3COOC_2H_5+H_2O\left(đk:H_2SO_{4\left(đ\right)},t^0\right)\)
X : C6H12O6
Y : CH3COOH
\((C_6H_{10}O_5)_n + nH_2O \xrightarrow{t^o,xt} nC_6H_{12}O_6\\ C_6H_{12}O_6 \xrightarrow{t^o,xt} 2CO_2 + 2C_2H_5OH\\ C_2H_5OH + O_2 \xrightarrow{xt} CH_3COOH + H_2O\\ CH_3COOH + C_2H_5OH \buildrel{{H_2SO_4,t^o}}\over\rightleftharpoons CH_3COOC_2H_5 + H_2O \)
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\(C_2H_4+H_2O\underrightarrow{H^+,t^o}C_2H_5OH\)
\(C_2H_5OH+O_2\underrightarrow{men.giấm}CH_3COOH+H_2O\)
\(CH_3COOH+C_2H_5OH\underrightarrow{H_2SO_{4\left(đ\right)},t^o}CH_3COOC_2H_5+H_2O\)
\(CH_3COOC_2H_5+NaOH\underrightarrow{t^o}CH_3COONa+C_2H_5OH\)
\(C_2H_5OH\underrightarrow{H_2SO_{4\left(đ\right)},170^oC}C_2H_4+H_2O\)
\(C_2H_4+H_2O\xrightarrow[axit]{t^o}C_2H_5OH\\ C_2H_5OH+O_2\underrightarrow{men.giấm}CH_3COOH+H_2O\\ CH_3COOH+C_2H_5OH\xrightarrow[t^o]{H_2SO_{4\left(đặc\right)}}CH_3COOC_2H_5+H_2O\\ CH_3COOH+NaOH\rightarrow CH_3COONa+C_2H_5OH \\ C_2H_5OH\underrightarrow{axit}C_2H_4+H_2O\)
$C_2H_4 + H_2O \xrightarrow{t^o,xt} C_2H_5OH$
$C_2H_5OH+ O_2 \xrightarrow{men\ giấm} CH_3COOH + H_2O$
$CH_3COOH + C_2H_5OH \buildrel{{H_2SO_4,t^o}}\over\rightleftharpoons CH_3COOC_2H_5 + H_2O$
$CH_3COOC_2H_5 + KOH \to CH_3COOK + C_2H_5OH$
\(C_2H_4+H_2O\rightarrow C_2H_5OH\)
\(C_2H_5OH+\left(CH_3CO\right)_2O\rightarrow CH_3COOH+CH_3COOC_2H_5\)
\(CH_3COOH+C_2H_5ONa\rightarrow NaOH+CH_3COOC_2H_5\)
\(KOH+CH_3COOC_2H_5\rightarrow C_2H_5OH+CH_3COOK\)
x : tinh bột , y : axit axetic
\(\left(-C_6H_{10}O_5-\right)_n+nH_2O\xrightarrow[t^o]{Axit}nC_6H_{12}O_6\)
\(C_6H_{12}O_6\xrightarrow[t^o]{Men.rượu}2C_2H_5OH+2CO_2\)
\(C_2H_5OH+O_2\xrightarrow[]{Men.giấm}CH_3COOH+H_2O\)
\(CH_3COOH+C_2H_5OH\xrightarrow[t^o]{H_2SO_4đặc}CH_3COOC_2H_5+H_2O\)
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