1)a.C6H12O6=2C2H5OH+2CO2

2C2H5OH= CH2=CH-CH=CH2+2H2O+H2

CH2=CH-CH=CH2+2HCl= CH3-CHCl-CHCl-CH3

b.CO+2H2=CH3OH

2CH3OH+2Na=2CH3ONa+H2

c.2CH3OH=CH3-O-CH3+H2O

C2H4+H2O=C2H5OH

CH3-CH2OH+CuO=CH3-COH+H2O+Cu

2)2CH3-CH-OH= CH3-CH-O-CH-CH3+H2O

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               CH3                  CH3    CH3