Bài 3:

$\rm a.\\(1)\ C_{12}H_{22}O_{11}+H_2O\xrightarrow{t^°,\ H_2SO_4}C_6H_{12}O_6+C_6H_{12}O_6\\(2)\ C_6H_{12}O_6\xrightarrow{30-35^°C,\ enzim}2C_2H_5OH+2CO_2\\(3)\ C_2H_5OH+O_2\xrightarrow{t^°,\ men}CH_3COOH+H_2O\\(4)\ CH_3COOH+C_2H_5OH\overset{H_2SO_4\ (dac),\ t^°}\leftrightarrows CH_3COOC_2H_5+H_2O\\b)\\(1)\  C_2H_4+H_2O\xrightarrow{t^°,\ H_2SO_4}C_2H_5OH\\(2)\ C_2H_5OH+O_2\xrightarrow{t^°,\ men}CH_3COOH+H_2O\\(3)\ CH_3COOH+C_2H_5OH\overset{H_2SO_4\ (dac),\ t^°}\leftrightarrows CH_3COOC_2H_5+H_2O\\(4)\ CH_3COOC_2H_5+NaOH\xrightarrow{t^°}CH_3COONa+C_2H_5OH\\c)\\(1)\ C_6H_{12}O_6\xrightarrow{30-35^°C,\ enzim}2C_2H_5OH+2CO_2\\(2)\ C_2H_4+H_2O\xrightarrow{t^°,\ H_2SO_4}C_2H_5OH\\(3)\ C_2H_5OH+O_2\xrightarrow{t^°,\ men}CH_3COOH+H_2O\\(4)\ CH_3COOH+C_2H_5OH\overset{H_2SO_4\ (dac),\ t^°}\leftrightarrows CH_3COOC_2H_5+H_2O\\(5)\ CH_3COOC_2H_5+H_2O\overset{H_2SO_4\ (dac),\ t^°}\leftrightarrows CH_3COOH+C_2H_5OH\\(6)\ CH_3COOH+NaOH\to CH_3COONa+H_2O$