高中化学方程式总结第一部分金属一、碱金属1.钠Na4Na+O2=2Na2O2Na+O2点燃Na2O2Cl2+2Na点燃2NaCl2Na+S=Na2S(爆炸)2Na+2H2O=2NaOH+H2↑2Na+H2△2NaH2Na+2NH3=2NaNH2+H24Na+TiCl4(熔融)=4NaCl+Ti Na2ONa2O+H2O=2NaOH2Na2O+O2△2Na2O2Na2O+SO3=Na2SO4Na2O+CO2=Na2CO3Na2O+2HCl=2NaCl+H2ONa2O2+2Na=2Na2O(此反应用于制备Na2O)2Na2O2+2H2O=4NaOH+O2↑(此反应分两步Na2O2+2H2O=2NaOH+H2O2;2H2O2=2H2O+O2↑。
H2O2的制备可利用类似的反应)2Na2O2+2CO2=2Na2CO3+O2Na2O2+H2SO4(冷、稀)=Na2SO4+H2O2NaHNaH+H2O=NaOH+H2↑NaOH2NaOH+Si+H2O=Na2SiO3+2H2↑6NaOH+3S △2Na2S+Na2SO3+3H2O2NaOH+2Al+2H2O=2NaAlO2+3H2↑2NaOH(过量)+CO2=Na2CO3+H2ONaOH+CO2(过量)=NaHCO32NaOH+SiO2=Na2SiO3+H2O(常温下强碱缓慢腐蚀玻璃)2NaOH+Al2O3=2NaAlO2+H2O2NaOH+Cl2=NaCl+NaClO+H2O NaOH+HCl=NaCl+H2ONaOH+H2S(足量)=NaHS+H2O2NaOH+H2S(少量)=Na2S+2H2O3NaOH+AlCl3=Al(OH)3↓+3NaClNaOH+Al(OH)3=NaAlO2+2H2ONaOH+NH4Cl△NaCl+NH3↑+H2O2NaOH+P2O5=2NaPO3+H2O6NaOH+P2O5=2Na3PO3+3H2ONaAlO22NaAlO2+CO2+3H2O=2Al(OH)3↓+Na2CO33NaAlO2+AlCl3+6H2O=4Al(OH)3↓NaCl、NaClO、NaBr、NaINaCl+H2SO4(浓)△NaHSO4+HCl↑H2SO4(浓)+2NaCl Na2SO4+2HCl2NaI+Cl2=2NaCl+I2NaBr+H3PO4(浓)=NaH2PO4+HBrNaI+H3PO4(浓)=NaH2PO4+HINa2CO3、NaHCO3Na2CO3+SiO2高温Na2SiO3+CO2Na2CO3+HCl=NaHCO3+NaClNaHCO3+HCl=NaCl+H2O+CO23Na2CO3+2AlCl3+3H2O=2Al(OH)3↓+3CO2↑+6NaCl 3Na2CO3+2FeCl3+3H2O=2Fe(OH)3↓+3CO2↑+6NaCl 3NaHCO3+AlCl3=Al(OH)3↓+3CO2↑3NaHCO3+FeCl3=Fe(OH)3↓+3CO2↑NaHCO3+HCl=NaCl+CO2↑+H2O2NaHCO3△Na2CO3+CO2↑+H2O3Na2CO3+2Br2+H2O=2NaHCO3+2NaBrO+2NaBr+CO2↑NaHCO3+Br2=NaBr+HBrO+CO2↑NaNO3、NaNO22NaNO3△2+O2↑H2SO4(浓)+NaNO3△NaHSO4+HNO3↑KClO3+6HCl=KCl+3Cl2↑+3H2ONaNO 2+NH 4Cl =NaCl+N 2↑+2H 2O Na 3PO 4、NaH 2PO 4、Na 2HPO 4 Na 3PO 4+HCl =Na 2HPO 4+NaCl Na 2HPO 4+HCl =NaH 2PO 4+NaCl NaH 2PO 4+HCl =H 3PO 4+NaCl Na 2S 、NaHS Na 2S+Cl 2=2NaCl+S ↓3Na 2S+8HNO 3(稀)=6NaNO 3+2NO+3S ↓+4H 2O 3Na 2S+Al 2(SO 4)3+6H 2O =2Al(OH)3↓+3H 2S ↑ Na 2SO 4、Na 2SO 3、Na 2S2O 33Na 2SO 3+2HNO 3(稀)=3Na 2SO 4+2NO ↑+H 2O 2Na 2SO 3+O 2=2Na 2SO 4Na 2S 2O 3+H 2SO 4=Na 2SO 4+S+SO 2+H 2O Na 2SO 3+SO 2+H 2O =2NaHSO 32NaHSO 3 △2SO 3+SO 2↑+H 2O Na 2SiO 3Na 2SiO 3+2HCl =H 2SiO 3↓+2NaCl C 6H 5ONaC 6H 5ONa+CO 2+H 2O =C 6H 5OH+NaHCO 32.钾 K K+O 2△22K+2H 2O =2KOH+H 2↑ K 2O 、K 2O 2 K 2O+H 2O =2KOH K 2O+CO 2=K 2CO 3 2K 2O 2+2CO 2=K 2CO 3+O 2 2K 2O 2+2H 2O =4KOH+O 2 KOH2KOH+CO 2=K 2CO 3+H 2O KOH+CO 2=KHCO 3 K 2CO 3K 2CO 3+2HCl =2KCl+CO 2↑+H 2O K 2CO 3+CaCl 2=CaCO 3↓+2KC K 2CO 3+2AgNO 3=Ag 2CO 3↓+2KNO 3 KHCO 3 KHCO 3+HCl =KCl+CO 2↑+H 2O 2KHCO 3 △K 2CO 3+CO 2↑+H 2OKClO 3 2KClO 3△2KCl+3O 2↑KClO 3+6HCl =KCl+3Cl 2↑+3H 2OKClO 3+5KCl+3H 2SO 4=3Cl 2↑+3K 2SO 4+3H 2O KI2KI+Cl 2=2KCl+I 2 KI+AgNO 3=AgI ↓+KNO 3 KAl(SO 4)22KAl(SO 4)2+6NaOH =K 2SO 4+3Na 2SO 4+2Al(OH)3↓ 2KAl(SO 4)2+3Ba(OH)2=K 2SO 4+3BaSO 4↓+2Al(OH)3↓KAl(SO 4)2+2Ba(OH)2=KAlO 2+2BaSO 4↓ KSCN3KSCN+FeCl 3=Fe(SCN)3+3KCl KHKH+H 2O =KOH+H 2↑3.锂 LiLi+O 2△2O2Li+2H 2O =2LiOH+H 2↑ Li 2OLi 2O+CO 2=Li 2CO 3 Li 2O+H 2O =2LiOH LiOH2LiOH+CO 2=Li 2CO 3↓+H 2O LiOH+CO 2=LiHCO 3 Li 2CO 3Li 2CO 3+2HCl =2LiCl+CO 2↑+H 2O LiHCO 3LiHCO 3+HCl =LiCl+CO 2↑+H 2O 2LiHCO 3△Li 2CO 3+CO 2↑+H 2O二、常见金属 1.镁 Mg 2Mg+O 2点燃2MgOMg+2H 2O =2Mg(OH)2↓+H 2↑Mg+Cl 2 点燃MgCl 2 2Mg+CO 2 点燃2MgO+C Mg+S =MgSMg+Br 2=MgBr 2 3Mg+N 2=Mg 3N 2Mg+2HCl =MgCl 2+H 2↑ Mg+H 2SO 4=MgSO 4+H 2↑ 2Mg+TiCl 4(熔融)=Ti+2MgCl 2 Mg+2RbCl(熔融)=MgCl 2+2Rb MgOMgO+2HCl=MgCl2+H2OMgO+H2O=Mg(OH)2↓Mg(OH)2Mg(OH)2+2HCl=MgCl2+2H2O MgCO3MgCO3+2HCl=2MgCl2+CO2↑+H2OMgCO3+2H2O △2↓+CO2↑MgCO3△2↑+MgOMg(HCO3)2Mg(HCO3)2+2HCl=MgCl2+2CO2↑+2H2O2Mg(HCO3)2△Mg(OH)2↓+CO2↑+H2OMgSO4MgSO4+Ba(OH)2=Mg(OH)2↓+BaSO4↓MgSO4+2NaOH=Mg(OH)2↓+Na2SO4↓Mg3N2Mg3N2+8H2O=3Mg(OH)2+2NH3·H2O 2.铝AlAl+3O2点燃2Al2O32Al+3S △Al2S32Al+3Cl2△2AlCl34Al+3MnO2高温2Al2O3+3Mn2Al+Cr2O3高温Al2O3+2Cr2Al+Fe2O3高温Al2O3+2Fe(铝热反应)2Al+3FeO △Al2O3+3Fe2Al+6HCl=2AlCl3+3H2↑2Al+3H2SO4=Al2(SO4)3+3H2↑2Al+6H2SO4(浓)△Al2(SO4)3+3SO2↑+6H2OAl+4HNO3(稀)=Al(NO3)3+NO↑+2H2O(Al、Fe在冷、浓的H2SO4、HNO3中钝化)2Al+2NaOH+2H2O=2NaAlO2+3H2↑Al2O3、Al(OH)3Al2O3+3H2SO4=Al2(SO4)3+3H2O(Al2O3是两性氧化物)Al2O3+2NaOH=2NaAlO2+H2O2Al(OH)3△Al2O3+3H2OAl(OH)3+3HCl=AlCl3+3H2O2Al(OH)3+3H2SO4=Al2(SO4)3+6H2O Al(OH)3+NaOH=NaAlO2+2H2O铝盐AlCl3+3NaOH=Al(OH)3↓+3NaCl AlCl3+3NH3·H2O=Al(OH)3↓+3NH4Cl2AlCl3+3Na2CO3+3H2O=2Al(OH)3↓+3CO2↑+6NaCl AlCl3+3NaHCO3=Al(OH)3↓+3CO2↑AlCl3+3NaAlO2+6H2O=4Al(OH)3↓Al2(SO4)3+3Na2S+6H2O=2Al(OH)3↓+3H2S↑Al4C3+12H2O=4Al(OH)3↓+3CH4↑3.铁Fe2Fe+3Cl2点燃2FeCl33Fe+2O2点燃Fe3O4Fe+S△FeS2Fe+3Br2=2FeBr3Fe+I2△2Fe+S△FeS3Fe+4H2O(g)高温Fe3O4+4H2Fe+2HCl=FeCl2+H2↑Fe+CuCl2=FeCl2+CuFe+SnCl4=FeCl2+SnCl2Fe+H2S=FeS+H2↑2Fe+6H2SO4(浓)=Fe2(SO4)3+3SO2↑+6H2OFe+H2SO4(稀)=FeSO4+H2↑Fe+6HNO3=Fe(NO3)3+3NO2↑+3H2OFe+4HNO3=Fe(NO3)3+NO↑+2H2O8Fe+30HNO3=8Fe(NO3)3+3N2O↑+15H2O10Fe+36HNO3=10Fe(NO3)3+3N2↑+18H2O8Fe+30HNO3=8Fe(NO3)3+3NH4NO3+9H2OFe+(CH3COO)2Cu=Cu+(CH3COO)2FeFeO3FeO+2Al△Al2O3+3Fe6FeO+O2△2Fe3O4FeO+4HNO3=Fe(NO3)3+NO2↑+2H2OFe2O3Fe2O3+2Al高温Al2O3+2FeFe2O3+3CO△2Fe+3CO2Fe2O3+3H2=2Fe+3H2O(制还原铁粉)Fe2O3+6HCl=2FeCl3+3H2OFe3O4Fe3O4+4H2△2OFe3O4+8HCl(浓)△FeCl2+2FeCl3+4H2OFe(OH)2、Fe(OH)34Fe(OH)2+O2+2H2O=4Fe(OH)32Fe(OH)3△Fe2O3+3H2OFeCl22FeCl2+Cl2=2FeCl3FeCl2+Mg=Fe+MgCl2FeCl32FeCl3+Fe=3FeCl22FeCl3+Cu=2FeCl2+CuCl2(用于雕刻印刷电路板)2FeCl3+H2SO3+H2O=H2SO4+2FeCl2+2HCl2FeCl3+Zn=2FeCl2+ZnCl22FeCl3+H2S=2FeCl2+2HCl+S↓2FeCl3+2KI=2FeCl2+2KCl+I2FeCl3+3NH3·H2O=Fe(OH)3↓+3NH4Cl 2FeCl3+3Na2CO3+3H2O=2Fe(OH)3↓+3CO2↑+6NaCl FeCl3+3NaHCO3=Fe(OH)3↓+3CO2↑2FeCl3+SO2+2H2O=2FeCl2+H2SO4+2HClBaCl2+H2SO4=BaSO4↓+2HClFeCl3+3KSCN=Fe(SCN)3+3KClFeSFeS+2HCl=FeCl2+H2S↑FeS+H2SO4=FeSO4+H2S↑4FeS2+11O2=2Fe2O2+8SO2H2FeO44H2FeO4+2H2O=4Fe(OH)3+3O2↑4Na2FeO4+10H2O=4Fe(OH)3+3O2↑+8NaOH2Fe(OH)3+3NaClO+4NaOH=2Na2FeO4+3NaCl+5H2O Fe2O3+3Na2O2=2Na2FeO4+Na2O其它Fe化合物Fe2(SO4)3+2Ag=FeSO4+Ag2SO4(较难反应)Fe3C+22HNO3=3Fe(NO3)3+CO2+13NO2+11H2O三、其他金属1.锰KMnO42KMnO4△K2MnO4+MnO2+O2↑2KMnO4+16HCl=2KCl+2MnCl2+5Cl2↑+8H2O2KMnO4+5H2O2+6HCl=2KCl+2MnCl2+5O2↑+8H2O 2KMnO4+5KNO3+3H2SO4=2MnSO4+K2SO4+5KNO3+ 2H2PMnO2MnO2+4HCl(浓)△MnCl2+Cl2↑+2H2O2.铜Cu2Cu+O2△2CuO2Cu+S △Cu2SCu+Cl2CuCl2CH4+4CuO=4Cu+CO2+2H2O3CuO+2NH3△3Cu+N2+3H2OCuO+2HCl=CuCl2+H2OCuO+H2SO4=CuSO4+H2OCu(OH)2+2HCl=CuCl2+2H2O Cu(OH)2+H2SO4=CuSO4+2H2OCu(OH)2△2OCuCl2+H2S=CuS↓+2HCl CuCl2+2NaOH=Cu(OH)2↓+2NaClCuSO4+H2S=CuS↓+H2SO4CuSO4+2NaOH=Cu(OH)2↓+Na2SO4CuSO4+Ba(OH)2=Cu(OH)2↓+BaSO4↓3.钙CaCaO+H2O=Ca(OH)2CaO+SiO2高温CaSiO32Ca(OH)2+2Cl2=CaCl2+Ca(ClO)2+2H2OCa(OH)2+SO3=CaSO4+H2OCaCO3+2HNO3=Ca(NO3)2+H2O+CO2↑(用HNO3和浓H2SO4不能制备H2S、HI、HBr、SO2等还原性气体)CaCO3+SiO2高温CaSiO3+CO2↑CaF2+H2SO4(浓)=CaSO4+2HF↑Ca3(PO4)2+3H2SO4(浓)=3CaSO4+2H3PO4Ca3(PO4)2+2H2SO4(浓)=2CaSO4+Ca(H2PO4)2Ca3(PO4)2+4H3PO4=3Ca(H2PO4)2(重钙)CaH2+2H2O=Ca(OH)2+2H2↑4.钡BaBa(OH)2+CO2=BaCO3↓+H2OBa(OH)2+2CO2(过量)=Ba(HCO3)2Ba(OH)2+H2SO4=BaSO4↓+2H2O3Ba(OH)2+2H3PO3=Ba3(PO4)2↓+6H2O BaCl2+H2SO4=BaSO4↓+2HClBaCl2+Na2SO4=BaSO4↓+2NaCl BaCO3+2HCl=BaCl2+CO2↑+H2O BaCO3+2HNO3=Ba(NO3)2+CO2↑+H2O BaO2+H2SO4(稀)=BaSO4↓+H2O2) 5.铅Pb、PbO2Pb+2HCl=PbCl2+H2↑PbO2+4HCl(浓)△PbCl2+Cl2↑+2H2O铅盐Pb(NO 3)2+H2S=PbS↓+2HNO3(CH3COO)2Pb+H2S=PbS↓+CH3COOH 6.锌ZnZn+S △ZnSZn+2HCl=ZnCl2+H2↑Zn+H2SO4=ZnSO4+H2↑Zn+2NaOH=Na2ZnO2+H2↑Zn+2FeCl3=2FeCl2+ZnCl2 As2O3+6Zn+12HCl=2AsH3↑+6ZnCl2+3H2O ZnOZnO+2HCl=ZnCl2+H2OZnO+2NaOH=Na2ZnO2+H2OZn(OH)2Zn(OH)2+2HCl=ZnCl2+2H2OZn(OH)2+2NaOH=Na2ZnO2+2H2OZn(OH)2+4NH3·H2O=Zn(NH3)4(OH)2+4H2O Zn(OH)2△ZnO+H2O7.铍BeBe+2HCl=BaCl2+H2↑Be+2NaOH=Na2BO2+H2↑BeCl2+2NaOH=Be(OH)2↓+2H2OBe(OH)2+2HCl=BeCl2+2H2OBe(OH)2+2NaOH=Na2BO2+2H2O8.汞Hg3Hg+8HNO3(稀)=3Hg(NO3)2+2NO2↑+4H2O Hg+4HNO3(浓)=Hg(NO3)2+2NO2↑+2H2第二部分卤族元素、氮族元素一、卤族元素1.氟F2F2+H2=2HF2F2+2H2O=4HF+O2HF4HF+SiO2=SiF4+2H2O2.氯Cl2Cl2+H2=2HCl(光照或点燃)Cl2+2Na2NaCl3Cl2+2P2PCl3Cl2+PCl3PCl53Cl2+2Fe2FeCl3Cl2+Cu CuCl2Cl2+2FeCl2=2FeCl32Cl2+2NaBr=2NaCl+Br2Cl2+2KI=2KCl+I25Cl2+I2+6H2O=2HIO3+10HCl Cl2+Na2S=2NaCl+S↓Cl2+H2S=2HCl+S↓Cl2+SO2+2H2O=H2SO4+2HClCl2+H2SO3+H2O=H2SO4+2HClCl2+H2O=HCl+HClOCl2+H2O2=2HCl+O2Cl2+2NaOH=NaCl+NaClO+H2O2Cl2+2Ca(OH)2=CaCl2+Ca(ClO)2+2H2O3Cl2+6KOH(热、浓)=5KCl+KClO3+3H2O HCl6HCl+2Al=2AlCl3+3H2↑2HCl+Fe=FeCl2+H2↑4HCl(浓)+MnO2△MnCl2+Cl2+2H2O4HCl(g)+O2△2Cl2+2H2O16HCl+2KMnO4=2KCl+2MnCl2+5Cl2+8H2O 14HCl+K2Cr2O7=2KCl+2CrCl3+3Cl2+7H2O HCl+NH3=NH4Cl(白烟)2HCl+FeO=FeCl2+3H2O6HCl+Fe2O3=2FeCl3+3H2O8HCl(浓)+Fe3O4△FeCl2+2FeCl3+4H2O HCl+Na3PO4=Na2HPO4+NaClHCl+Na2HPO4=NaH2PO4+NaClHCl+NaH2PO4=H3PO4+NaCl HCl+Na2CO3=NaHCO3+NaCl HCl+NaHCO3=NaCl+H2O+CO2 HClOHClO=HCl+O2↑3.溴Br2Br2+H 2△2HBrBr2+Fe=FeBr3Br2+2FeBr2=2FeBr3Br2+NaI=NaBr+I2Br2+HI=HBr+I2Br2+H2O=HBr+HBrOBr2+NaOH=NaBr+NaBrO+H2O Br2+SO2+2H2O=H2SO4+2HBr Br2+H2S=S↓+2HBr2Br2+3Na2CO3+H2O=2NaHCO3+2NaBrO+2NaBr+CO2↑HBrHBr+NaOH=NaBr+H2O2HBr+Cl2=2HCl+Br24.碘I2I2+H22HII2+Fe FeI2I2+2NaOH=NaI+NaIO+H2OHI2HI△H2+I22HI+Cl2=2HCl+I2HI+NaOH=NaI+H2O二、氮族元素1.氮N2N2+3H2 2NH3N2+O22NON2+3Mg点燃Mg3N2N2+6Na=2Na3NNO、NO2、N2O52NO+O2=2NO2NO+NO2+2NaOH=2NaNO2(用于制硝酸工业中吸收尾气中的NO和NO2)6NO+4NH3催化剂△5N2+6H2ONO2+2KI+H2O=NO+I2+2KOH(不能用淀粉KI溶液鉴别溴蒸气和NO2)4NO2+H2S=4NO+SO3+H2ONO2+SO2=SO3+NO3NO2+H2O=2HNO3+NON2O5+H2O=2HNO3HNO33HNO3+Ag3PO4=H3PO4+3AgNO3Al+4HNO3(稀)=Al(NO3)3+NO↑+2H2O3As2S3+28HNO3+4H2O=6H3AsO4+9H2SO4+28NO↑4HNO3(浓)+C △2↑+4NO2↑+2H2O2HNO3+CaCO3=Ca(NO3)2+H2O+CO2↑6HNO3+Fe=Fe(NO3)3+3NO2↑+3H2O 4HNO3+Fe=Fe(NO3)3+NO↑+2H2O30HNO3+8Fe=8Fe(NO3)3+3N2O↑+15H2O36HNO3+10Fe=10Fe(NO3)3+3N2↑+18H2O30HNO3+8Fe=8Fe(NO3)3+3NH4NO3+9H2OFeO+4HNO3=Fe(NO3)3+NO2↑+2H2O3H2S+2HNO3(稀) 3S↓+2NO+4H2O4HNO3=4NO2+O2+2H2O(见光或受热分解)NH3+HNO3=NH4NO3(白烟)(用HNO3和浓H2SO4不能制备H2S、HI、HBr、SO2)3Na2S+8HNO3(稀)=6NaNO3+2NO+3S↓+4H2O3Na2SO3+2HNO3(稀)=3Na2SO4+2NO↑+H2O3Cu2S+22HNO3=6Cu(NO3)2+10NO↑+3H2SO4+8H2O5HNO3(浓)+P=H3PO4+5NO2↑+H2OP4+20HNO3(浓)=4H3PO4+20NO2+4H2OS+6HNO3(浓)=H2SO4+6NO2↑+2H2O3S+4HNO3(稀)=3SO2↑+4NO↑+2H2OS+6HNO3(浓)=H2SO4+6NO2↑+2H2O3As2S3+28HNO3(稀)+4H2O=6H3AsO4+9H2SO4+28NO ↑As2S3+28HNO3(浓)=2H3AsO4+3H2SO4+28NO2↑+8H2ONH32NH3+3CuO△3Cu+N2+3H2O2NH3+3Cl2=N2+6HCl8NH3+3Cl2=N2+6NH4Cl4NH3+3O2(纯氧)点燃2N2+6H2O催化剂高温、高压4NH 3+5O 2 催化剂△4NO+6H 2O4NH 3+6NO 催化剂△5N 2+6HO (用氨清除NO )NH 3+HCl =NH 4Cl (白烟) NH 3+HNO 3=NH 4NO 3(白烟) 2NH 3+H 2SO 4=(NH 4)2SO 4NH 3+NaCl+H 2O+CO 2=NaHCO 3↓+NH 4Cl (侯氏制碱法)2NH 3+SO 2+H 2O =(NH 4)2SO 3 NH 3·H 2O △NH 3↑+H 2O NH 3+H 2ONH 3·H 2ONH 4++OH -NH 4HCO 3、(NH 4)2CO 3 NH 4HCO 3=NH 3+H 2O+CO 2 (NH 4)2CO 3=2NH 3↑+H 2O+CO 2↑ NH 4ClNH 4Cl =NH 3+HCl 2NH 4Cl+Ca(OH)2 △CaCl 2+NH 3↑+H 2ONH 4Cl+NaOH△NaCl+NH 3↑+H 2ONH 4Cl+NaOH =NaCl+NH 3·H 2O NH 4NO 3NH 4NO 3+NaOH==NaNO 3+NH 3·H 2O NH 4NO 3+NaOH △NaNO 3+NH 3↑+H 2O 5NH 4NO 32HNO 3+4N 2↑+9H 2O (NH 4)2SO 3、(NH 4)2SO 4 (NH 4)2SO 3+SO 2+H 2O =2NH 4HSO 3(NH 4)2SO 4+2NaOH =Na 2SO 4+2NH 3·H 2O (NH 4)2SO 4+2NaOH △2SO 4+2NH 3↑+2H 2O2.磷 P 2P+3Cl 2点燃2PCl 3 PCl 3+Cl 2 △PCl 5P 4+6H 2 △4PH 34P+5O 2点燃P 4O 10(常写成P 2O 5)P 4+20HNO 3(浓)=4H 3PO 4+20NO 2+4H 2O 11P+15CuSO 4+24H 2O =5Cu 3P+6H 3PO 4+15H 2SO 4 PH 3+2O 2=H 3PO 4 P 2O 3、P 2O 5、P 4S 3 P 2O 5+H 2O(冷)=2HPO 3P 2O 5+3H 2O(热)=2H 3PO 4(P 2O 5极易吸水、可作气体干燥剂)P 2O 5+3H 2SO 4(浓)=2H 3PO 4+3SO 3P 2O 5+2NaOH =2NaPO 3+H 2O P 2O 5+6NaOH =2Na 3PO 3+3H 2OP 4S 3+38HNO 3+8H 2O =9H 2SO 4+12H 3PO 4+38NO ↑ H 3PO 44H 3PO 4+Ca 3(PO 4)2=3Ca(H 2PO 4)2 H 3PO 4(浓)+NaBr =NaH 2PO 4+HBr H 3PO 4(浓)+NaI =NaH 2PO 4+HI第三部分 碳族元素、氧族元素一、碳族元素1.碳 CC+2F 2=CF 4C+2Cl 2=CCl 42C+O 2(少量) 点燃2CO C+O 2(足量) 点燃CO 2 C+CO 2△2COC+H 2O高温CO+H 2(生成水煤气)2C+SiO 2 △Si+2CO (制得粗硅) C+Si△SiC (金刚砂) C+2S△23C+CaO电炉CaC 2+CO ↑ 3C+SiO 2电炉SiC+2CO ↑C+2H 2SO 4(浓)△CO 2↑+2SO 2↑+2H 2OC+4HNO 3(浓) △CO 2↑+4NO 2↑+2H 2OCO 2CO+O 2点燃2CO 2 CO+CuO△Cu+CO 23CO+Fe 2O 3△2Fe+3CO 2CO+H 2O 催化剂△ CO 2+H 2CO 2 CO 2+2Mg点燃2MgO+CCO 2+H 2O =H 2CO 3CO 2+2NaOH(过量)=Na 2CO 3+H 2O CO 2(过量)+NaOH =NaHCO 3 CO 2+Ca(OH)2(过量)=CaCO 3↓+H 2O 2CO 2(过量)+Ca(OH)2=Ca(HCO 3)2CO 2+2NaAlO 2+3H 2O =2Al(OH)3↓+Na 2CO 3 CO 2+C 6H 5ONa+H 2O =C 6H 5OH+NaHCO 3 CO 2+Na 2O =Na 2CO 32CO 2+2Na 2O 2=2Na 2CO 3+O 2CO 2+NH 3+NaCl+H 2O =NaHCO 3↓+NH 4Cl (侯氏制碱法)H 2CO 3H 2CO 3=CO 2↑+H 2O 2.硅 Si Si(粗)+2Cl 2 △SiCl 4SiCl 4+2H 2 △Si(纯)+4HClSi(粉)+O 2 △SiO 2Si+C△SiC (金刚砂)Si+2NaOH+H 2O =Na 2SiO 3+2H 2 SiO 2 2C+SiO 2 △Si+2CO 3C+SiO 2电炉SiC+2CO ↑ 2Mg+SiO 2点燃2MgO+Si4HF+SiO 2=SiF 4+2H 2O SiO 2+2H 2△Si+2H 2O SiO 2+2Mg△2MgO+Si SiO 2+CaO高温CaSiO 3SiO 2+2NaOH =Na 2SiO 3+H 2O (常温下强碱缓慢腐蚀玻璃)SiO 2+Na 2CO 3 高温Na 2SiO 3+CO 2SiO 2+CaCO 3 高温CaSiO 3+CO 2 2NaOH+SiO 2=Na 2SiO 3+H 2O 二、氧族元素1.氧 O 2 O 2+2H 2点燃2H 2OO 2+K△KO 22O 2+3Fe点燃Fe 3O 4 O 2+S 点燃 SO 2 O 2+N 22NO 3O 22O 34P+5O 2点燃2P 2O 5C+O 2(足量)点燃CO 2Si+O 2△24Na+O 2=2Na 2O 2Na 2O+O 2△2Na 2O 22Na+O 2=Na 2O 22Mg+O 2 点燃2MgO 4Al+3O 2 点燃2Al 2O 3 4NH 3+5O 2 催化剂△ 4NO+6H 2O2SO 2+O 2△2SO 3 2CO+O 2点燃2CO 26FeO+O 2 △2Fe 3O 4 2H 2SO 3+O 2=2H 2SO 44Fe(OH)2+O 2+2H 2O =4Fe(OH)3 2Na 2SO 3+O 2=2Na 2SO 4 O 32O 3=3O 2O 3+2HI ==I 2+O 2+H 2OH 2O2F 2+2H 2O =4HF+O 2 Cl 2+H 2O =HCl+HClO 2Na+2H 2O =2NaOH+H 2↑ Mg+2H 2O =Mg(OH)2+H 2↑3Fe+4H 2O(g) 高温Fe 3O 4+4H 2 2H 2O 电解 2H 2↑+O 2 SO 2+H 2O =H 2SO 3 SO 3+H 2O =H 2SO 4 3NO 2+H 2O =2HNO 3+NO N 2O 5+H 2O =2HNO 3 P 2O 5+H 2O(冷)=2HPO 3 P 2O 5+3H 2O(热)=2H 3PO 4 CO 2+H 2O =H 2CO 3 H 2O 22H 2O 2=2H 2O+O 2↑ H 2O 2+Cl 2=2HCl+O 25H 2O 2+2KMnO 4+6HCl =2MnCl 2+2KCl+5O 2↑+8H 2O 2.硫 SS+H 2 △2S 2S+C △2S+Fe△FeS S+2Cu△Cu 2S 3S+2Al△2S 3S+Zn △ZnSS+O 2 点燃SO 2S+6HNO 3(浓)=H 2SO 4+6NO 2↑+2H 2O 3S+4HNO 3(稀)=3SO 2↑+4NO ↑+2H 2O 3S+6NaOH △2Na 2S+Na 2SO 3+3H 2O S+2Na =Na 2S(爆炸) S+Mg =MgSS+Fe △FeSS+2H 2SO 4(浓)=3SO 2↑+2H 2O SO 2SO 2+2H 2S =3S+2H 2O 2SO 2+O 22SO 32SO 2+O 2+2H 2O =2H 2SO 4 SO 2+Cl 2+2H 2O =H 2SO 4+2HCl SO 2+Br 2+2H 2O =H 2SO 4+2HBr SO 2+I 2+2H 2O =H 2SO 4+2HI SO 2+NO 2=SO 3+NO SO 2+2H 2S =3S+2H 2O SO 2+H 2O =H 2SO 3SO 2+2NH 3+H 2O =(NH 4)2SO 3 SO 2+(NH 4)2SO 3+H 2O =2NH 4HSO 3 SO 2+Ca(OH)2=CaSO 3↓+H 2O(不能用澄清石灰水鉴别SO 2和CO 2.可用品红鉴别) 2NaOH+SO 2(少量)=Na 2SO 3+H 2O NaOH+SO 2(足量)=NaHSO 3 Cl 2+SO 2+2H 2O =H 2SO 4+2HCl SO 3SO 3+H 2O =H 2SO 4 SO 3+MgO =MgSO 4 SO 3+Ca(OH)2=CaSO 4+H 2O SO 3+Na 2O =Na 2SO 4 SO 3+2KI =K 2SO 3+I 2 H 2SH 2S+Cl 2=2HCl+S ↓ H 2S+Mg =MgS+H 22H 2S+3O 2(足量)=2SO 2+2H 2O 2H 2S+O 2(少量)=2S+2H 2O 2H 2S+SO 2=3S+2H 2OH 2S+H 2SO 4(浓)=S ↓+SO 2+2H 2O H 2S △H 2+S3H 2S+2HNO 3(稀)=3S ↓+2NO+4H 2O5H 2S+2KMnO 4+3H 2SO 4=2MnSO 4+K 2SO 4+5S+8H 2O 3H 2S+K 2Cr 2O 7+4H 2SO 4=Cr 2(SO 4)3+K 2SO 4+3S+7H 2O H 2S+4Na 2O 2+2H 2O =Na 2SO 4+6NaOH H 2S+Fe =FeS+H 2↑ H 2S+CuCl 2=CuS ↓+2HCl H 2S+2AgNO 3=Ag 2S ↓+2HNO 3 H 2S+HgCl 2=HgS ↓+2HCl H 2S+Pb(NO 3)2=PbS ↓+2HNO 3 H 2S+4NO 2=4NO+SO 3+H 2O H 2SO 3H 2SO 3+X 2+H 2O =H 2SO 4+2HX (X 表示Cl 2、Br 2、I 2) 2H 2SO 3+O 2=2H 2SO 4 H 2SO 3+H 2O 2=H 2SO 4+H 2O5H 2SO 3+2KMnO 4=2MnSO 4+K 2SO 4+2H 2SO 4+3H 2O H 2SO 3+2FeCl 3+H 2O =H 2SO 4+2FeCl 2+2HCl H 2SO 3=H 2O+SO 2↑ 2H 2SO 3+2H 2S =3S ↓+2H 2O H 2SO 4Zn+H 2SO 4=ZnSO 4+H 2↑ Fe+H 2SO 4=FeSO 4+H 2↑ Mg+H 2SO 4=MgSO 4+H 2↑2Al+3H 2SO 4=Al 2(SO 4)3+3H 2↑2Al+6H 2SO 4(浓) △Al 2(SO 4)3+3SO 2↑+6H 2O 2NH 3+H 2SO 4=(NH 4)2SO 4 2Al+6H 2SO 4(浓)△Al 2(SO 4)3+3SO 2↑+6H 2OH 2S+H 2SO 4(浓)=S ↓+SO 2+2H 2O P 2O 5+3H 2SO 4(浓)=2H 3PO 4+3SO 3 BaO 2+H 2SO 4(稀)=BaSO 4+H 2O 2) Na 2O 2+H 2SO 4(冷、稀)=Na 2SO 4+H 2O 2 MgO+H 2SO 4=MgSO 4+H 2O Al 2O 3+3H 2SO 4=Al 2(SO 4)3+3H 2O 2H 2SO 4(浓)+C△CO 2↑+2SO 2↑+2H 2O2H 2SO 4(浓)+S =3SO 2↑+2H 2O6H 2SO 4(浓)+2Fe =Fe 2(SO 4)3+3SO 2↑+6H 2O 2H 2SO 4(浓)+Cu△CuSO 4+SO 2↑+2H 2O H 2SO 4(浓)+2HBr △SO 2+Br 2+2H 2OH 2SO 4(浓)+2HI△SO 2+I 2+2H 2OH 2SO 4(浓)+CaF 2=CaSO 4+2HF ↑ H 2SO 4(浓)+NaCl△NaHSO 4+HCl ↑H 2SO 4(浓)+2NaCl Na 2SO 4+2HClH 2SO 4(浓)+NaNO 3△NaHSO 4+HNO 3↑3H 2SO 4(浓)+Ca 3(PO 4)2=3CaSO 4+2H 3PO 4△2H 2SO 4(浓)+Ca 3(PO 4)2=2CaSO 4+C a (H 2PO 4)2第四部分 有机反应一、烃 1.甲烷甲烷的制取:CH 3COONa+NaOH Na 2CO 3+CH 4↑ 烷烃通式:C n H 2n -2(1)氧化反应 甲烷的燃烧:CH 4+2O 2 CO 2+2H 2O 甲烷不可使酸性高锰酸钾溶液及溴水褪色。