乙烯(中学化学双语教学--省常中--房寿高).ppt

《乙烯(中学化学双语教学--省常中--房寿高).ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Etheneorethylene乙烯江苏省常州高级中学房寿高ripeunripePlanthormones(植物激素）Etheneorethylene乙烯1.ComponentandstructureetheneMoleculeformulaElectronic～Structural～Simplesructure～C2H4：··CC：：：··HHHHH—CC—HHHCH2CH2C2H6H—CC—HHHHHCH3CH3ethaneExperimental～CH2CH3ball-and-stickmodelspace-fillingmodelSixatomsareinaplane2、Physi

2、calpropertiescolorlesswithafaint"sweetandmusky“麝香的odorwhenpure;insolubleinwater.3、chemicalproperties1)Oxidationreaction①burninginoxygenPhenomena:abrightflamewithslightblacksmoke②makeKMnO4(H+)fade5C2H4+12KMnO4+18H2SO4→12MnSO4+6K2SO4+10CO2↑+28H2Oquestion：CanKMnO4(H+)beusedtogetridofC2H4inCH4?2)Addit

3、ionreaction(加成反应）CH2=CH2+Br2→Inthedoublebond,thereisonebondWhichisunstableanditiseasytobebroken.Someotheradditionreactions:CH3CH2ClCH3CH3CH3CH2OHCH2=CH2+H2CH2=CH2+HＣlCH2=CH2+H2OQuestion:TherearetwowaystogetCH3CH2Cl:①CH3CH3reactswithCl2underthelight;②CH2=CH2reactswithHCl,Whichisbetter?Why?3)additio

4、npolymerization（加聚反应）polyethylene[,pɔli:'eθə,li:n]orpolythene简称：PEPreservative[pri'zə:vətiv]film保鲜膜polyvinyl[,pɔli'vainil]chloride(PVC)聚氯乙烯polypropylene[,pɔli'prəupə,li:n]聚丙烯简称：PPnCH2=CH2［CH2CH2］n催化剂△,P(聚乙烯)单体链节聚合度催化剂CH＝CH2n〔CH－CH2〕n单体链节聚合度monomer['mɔnəmə]degreeofpolymerizationnCF2=CF2聚四氟乙烯polytet

5、rafluoroethylene['pɔli,tetrə-,fluərəu'eθili:n]teflon特氟龙non-stickfrypan4、Application①tomeasuretheindustrialdevelopmentofpetroleum([pi‘trəuliəm,pə-])ofacountry.②industrialchemicals(化工原料）③ripener(催熟剂）fortheplantgrowth5.Preparationofethyleneeliminationreaction消除反应谢谢！