CH3CH2OH→CH2=CH2+H2O 浓H2SO4,170度 CH2=CH2+Br2→CH2BrCH2Br CH2=CH2+H2O→CH3CH2OH 催化剂 CaC2+2H2O→CH≡CH↑+Ca(OH)2 CH≡CH+Br2→CHBr=CHBr CH≡CH+HCl→CH2=CHCl 催，加热 C6H6+Br2→C6H5Br+HBr 催 C6H6+HO-NO2→C6H6NO2+H2O 浓H2so4，加热 C6H6+3H2→C6H12 催，加热 C6H5-CH3+3HO-NO2→三硝基甲苯+3H2O 浓H2so4，加热 C2H5Br+H2O→C2H5OH+HBr NaOH，加热 CH3CH2Br+NaOH→CH2=CH2↑+NaBr+H2O 醇，加热 2CH3CH2OH+2Na→2CH3CH2ONa+H2↑ 2CH3CH2OH+O2→2CH3CHO+2H2O 催，加热 C6H5OH+NaOH→C6H5ONa+H2O C6H5ONa+CO2+H2O→C6H5OH+NaHCO3 C6H5OH+3Br2→三溴苯酚↓+3HBr CH3CHO+H2→CH3CH2OH 催，加热 2CH3CHO+O2→2CH3COOH 催，加热 CH3CHO+2Ag(NH3)2OH→H2O+2Ag↓+3NH3+CH3COONH4 水浴加热 2CH3CHO+Cu(OH)2→2CH3COOH+Cu2O↓+H2O 煮沸 CH3COOH+C2H5OH→2CH3COOC2H5+H2O 可逆，浓H2so4，加热 CH3COOC2H5+NaOH→CH3COONa+C2H5OH