(a)CH3CH2OH+3O2Air−−→2CO2+3H2O + Heat + light
Ethanol oxygen carbondioxide water
(b)CH3CH2OHConc.H2SO4−−−−−−−−→CH2=CH2+H2O
Ethanol ethene water
(c)2CH3CH2OH+2Na→2CH3CH2ONa+H2
Ethanol sodium sodium ethoxide hydrogen gas