ch3ch2oh+3o2=点燃 = 2co2+3h2o2ch3ch2oh+o2=cu加热=2ch3cho+2h2o 一共两种反应 一个是点燃 一个是催化 变成乙醛
C2H5OH + 3O2 =点燃= 2CO2 + 3H2O
CH3CH2OH+3O2=2CO2+3H2O
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