a,

$(-C_6H_{10}O_5-)_n+nH_2O\buildrel{{H^+, t^o}}\over\to nC_6H_{12}O_6$

$C_6H_{12}O_6\buildrel{{\text{men rượu}, 30-35^oC}}\over\longrightarrow 2CO_2+2C_2H_5OH$

$C_2H_5OH+O_2\buildrel{{\text{men giấm}}}\over\longrightarrow CH_3COOH+H_2O$

b, 

$C_6H_{12}O_6\buildrel{{\text{men rượu}, 30-35^oC}}\over\longrightarrow 2CO_2+2C_2H_5OH$

$2C_2H_5OH\buildrel{{t^o, Al_2O_3, ZnO}}\over\longrightarrow CH_2=CH-CH=CH_2+2 H_2O+H_2$

$nCH_2=CH-CH=CH_2\buildrel{{t^o, p, Na}}\over\longrightarrow (-CH_2-CH=CH-CH_2-)_n$

c,

$(-C_6H_{10}O_5-)_n+nH_2O\buildrel{{H^+, t^o}}\over\to nC_6H_{12}O_6$

$C_6H_{12}O_6\buildrel{{\text{men rượu}, 30-35^oC}}\over\longrightarrow 2CO_2+2C_2H_5OH$

$CH_3COOH+C_2H_5OH\buildrel{{t^o, H_2SO_4}}\over\rightleftharpoons CH_3COOC_2H_5+H_2O$

d,

$C_2H_4+H_2O\buildrel{{H^+, t^o}}\over\longrightarrow C_2H_5OH$

$C_2H_5OH+O_2\buildrel{{\text{men giấm}}}\over\to CH_3COOH+H_2O$

$(n+1)NH_2CH_2COOH\buildrel{{t^o, xt}}\over\to NH_2-CH_2-[CONHCH_2]_n-COOH+ nH_2O$