第1个回答 2013-05-18
乙醇催化氧化生成乙醛:
CH3CH2OH+O2 ----> CH3CHO+H2O (Cu做催化剂)
银镜反应:
AgNO3 + NH3·H2O = AgOH↓+ NH4NO3
AgOH + 2NH3·H2O = Ag(NH3)2OH + 2H2O
CH3CHO+2Ag(NH3)2OH CH3COONH4+2Ag↓+3NH3+H2O
乙醛被新制的Cu(OH) 2 氧化:
CuSO4+2NaOH= Cu(OH)2↓+Na2SO4
CH3CHO+2Cu(OH)2= CH3COOH+Cu2O↓+2H2O