醇类:(C2H5OH) C2H5OH ==浓硫酸==△== CH2=CH2 + H2O
卤代烃:(C2H5Cl)CH3CH2Cl + NaOH ==醇== CH2=CH2 + NaCl + H2O
炔烃:(乙炔) 乙炔 + H2 == CH2=CH2
醇类:(C2H5OH) C2H5OH ==浓硫酸==△== CH2=CH2 + H2O
卤代烃:(C2H5Cl)CH3CH2Cl + NaOH ==醇== CH2=CH2 + NaCl + H2O
炔烃:(乙炔) 乙炔 + H2 == CH2=CH2