化学参考资料方程式大全.docx

上传人:苏美尔 文档编号:11592090 上传时间:2021-08-25 格式:DOCX 页数:50 大小:67.10KB
返回 下载 相关 举报
化学参考资料方程式大全.docx_第1页
第1页 / 共50页
化学参考资料方程式大全.docx_第2页
第2页 / 共50页
化学参考资料方程式大全.docx_第3页
第3页 / 共50页
化学参考资料方程式大全.docx_第4页
第4页 / 共50页
化学参考资料方程式大全.docx_第5页
第5页 / 共50页
点击查看更多>>
资源描述

《化学参考资料方程式大全.docx》由会员分享,可在线阅读,更多相关《化学参考资料方程式大全.docx(50页珍藏版)》请在三一文库上搜索。

1、高中化学方程式大全一、非金属单质(F2, Cl2,O2,S,N2,P,C,Si, H)1、氧化性:F2+H2=2HF (阴暗处爆炸)F2+Xe(过量)=XeF22F2(过量)+Xe=XeF4 (XeF4是强氧化剂,能将 Mn2+氧化为MnOJ)nF2+2M=2MFn(M表示大部分金属)2F2+2H2O=4HF+O2 (水是还原剂)2F2+2NaOH=2NaF+OF2+H2OF2+2NaCl=2NaF+Cl2F2+2NaBr=2NaF+Br2F2+2NaI=2NaF+l27F2(过量)+I2=2IF7F2+Cl2(等体积)=2ClF (ClF 属于类卤素:ClF+H2O=HF+HClO )3F2

2、(过量)+Cl2=2ClF3 (ClF3+3H2O=3HF+HClO3 )Cl2+H2 =2HCl (将H2在Cl2点燃;混合点燃、加热、光照发生爆炸)3Cl2+2P =2PCbCb+PCl3 =PCl5Cb+2Na= 2NaCl3Cl2+2Fe =2FeC3Cl2+Cu =CuCl234Cl2+2FeCl2=2FeCl3 (在水溶液中:Cl2+2Fe2+=2Fe3+3Cl )Cl2+2NaBr=2NaCl+Br2Cl2+2Br =2Cl +Br2Cl2+2KI=2KCl+I 2C12+2I =2Cl +I 23Cl2(过量)+2KI+3H2O=6HCl+KIO 33C12+I +3H2O=6

3、H+6C1 +IO35Cl2+I2+6H2O=2HIO3+10HCl5C12+12+6H2O=10C1 +IO 3+12H +Cl2+Na2s=2NaCl+S ;C12+S2 =2C1 +S;Cl2+H2s=2HCl+S ;(水溶液中:C12+H 2s=2H+2C1 +S;Cl2+SO2+2H2O=H2SO4+2HClC12+SO2+2H2O=4H +SO42 +2C1Cl2+H2O2=2HCl+O2C12+H2O2=2H+C1+O22O2+3Fe= FQO4q+k=KO 2S+H2 =H2s2S+C= CSS+Zn= ZnSS+Fe = FeS既能由单质制取,又能由离子制取)S+2Cu= C

4、u2s (只能由单质制取,不能由离子制取)3S+2Al= Al 2S3 (只能由单质制取,不能由离子制取)N2+3H2 =2NH3N2+3Mg =Mg 3N2N2+3Ca= C%N2N2+3Ba =Ba3N2N2+6Na =2N%NN2+6K= 2K3NN2+6Rb= 2Rb3NN2+2Al =2AlN2P+3Zn= ZrbP2P4+6H2 =4PH3 P+3Na =N诜PH2+2Li= 2LiH2、还原性S+02 =S02S+(iSO4(B) =3SO2 T +2bOS+6HNO3(B) =H2SO4+6NO2 T +2HDS+4H+6=6NO2T +2H0+3S+4HNO3(W) 3SO2

5、+4NOf +2M3S+4H+4 3so2+4NOT +2H2ON2+O2 = 2N04P+5O2 PQio(常写成 P2O5)2P+3X2 =2PX3 (X 表示 F2, Cl2, Br2) PX3+X2 PX5P4+20HNO3(浓)=4H3Po4+20NO2 T +4bOC+2F2 =CF4C+2Cb =CCI4C+02(足量)=CO2 2C+O2(少量)=2C0C+C02 =2C0C+H2O C0+H2(生成水煤气)2C+SiO2 =Si+2co(制得粗硅)Si(粗)+202 SiCI4 (SQI4+2H2=二Si(纯)+4HCI)Si(粉)+。2= Si02Si+C =SiC(金刚砂

6、)Si+2NaOH+H2O=Na2SiO3+2H2 T (Si+20H +H 20= +2H2T )3、歧化反应CI2+H2O=HCI+HCIO (加碱或光照促进歧化:(Cl2+H2O H+Cl +HC1O )Cl2+2NaOH=NaCl+NaClO+H 2O(CI2+2OH =C1 +C1O +H2O)Cl2+2Ca(OH)2=CaCl2+Ca(ClO)2+2H2O(CI2+2OH =C1 +C1O +H2O)3CI2+6KOH(浓)=KCl+KClO 3+3H2O(3C12+6OH 5C1 +C1O3 +3H2O)3S+6NaOH=2Na2S+Na2SO3+3H2O(3S+6OH 2S2

7、+SO32+3GO)4P+3KOH(浓)+3H2O=P% T +3KHPO2(4P+3OH +3HzO=PH 3 T +3H2P。2 )11P+15CuSQ+24H2O=5Cu3P+6H3PO4+I5H2SO43C+CaO =CaC2+C0f3C+SiO2 =SiC+2COT二.金属单质 (Na,Mg,Al,Fe,Cu)的还原性2Na+H2 =2NaH4Na+O2=2Na2O2N&O+O2 =2Na2O22Na+O2 =Na2O2 2Na+S=Na?S (爆炸)2Na+2H2O=2NaOH+H 2 T2Na+2H 2O=2Na+2OH +H 2 T2Na+2NH3=2NaNH2+H2 T 2N

8、a+2NH 3=2Na+2NH2 +H2 T4Na+TiCl 4 =4NaCl+Ti Mg+Cl 2 =MgCl 2Mg+Br2= MgBr 22Mg+O2 =2MgOMg+S= MgS2Cu+S =Cu2s (Cu2s只能由单质制备)Mg+2H 2O =Mg(OH) 2+H2 T 2Mg+TiCl 4 =Ti+2MgCl 2 Mg+2RbC=l MgCl 2+2Rb 2Mg+CO2 =2MgO+C2Mg+SiO2= 2MgO+SiMg+H 2s=MgS+H2Mg+H 2SO4=MgSO4+H2 T (Mg+2H +=Mg2+H2 T) 2Al+3Cl 2= 2AlCl 34Al+3O2=2A

9、l 2O3 (常温生成致密氧化膜而钝化,在氧气中燃烧) 4Al(Hg)+3O 2+2xH2O=2(Al 2O3.xHzO)+4Hg (铝汞齐)4Al+3MnO 2= 2Al 2O3+3Mn2Al+Cr2O3 =Al 2O3+2Cr (铝热反应)2Al+Fe2O3 =Al 2O3+2Fe2Al+3FeO =AlzO3+3Fe2Al+6HCl=2AlCl 3+3H2 T2A1+6H +=2Al3+3H2 T2Al+3H 2SO4=Al 2(SO4)3+3H2 T2A1+6H +=2A13+3H2 T2Al+6H 2SO4(浓)=Al 2(SO4)3+3SO2+6H2O (Al,Fe 在冷,浓的H2

10、SO4,HNO3 中钝化)Al+4HNO 3(稀)=Al(NO 3)3+NOT +2H2O A1+4H+NO3 =A13+N0f + 2H2。2Al+2NaOH+2H 2O=2NaAlO2+3H2 T 2A1+2OH +2H2O=2A1O 2 +3 H2T 2Fe+3B2=2FeB3 3Fe+2Q =Fe3O42Fe+Q =2FeO (炼钢过程)Fe+I2 =FeI2Fe+S=FeS(FeS既能由单质制备,又能由离子制备)3Fe+4H2O(g) =Fe3O4+4H2 TFe+2HCI=FeCI2+H2 TFe+2H+=Fe2+H2 fFe+CuCl2=FeCl2+CuFe+Cu2+=Fe2+C

11、uFe+SnCL二二二FeCl2+SnCl2(铁在酸性环境下,不能把四氯化锡完全还原为单质锡 Fe+SnCl2=FeCl2+Sn ;Fe+Sn2+=Fe2+Sn ;三.非金属氢化物(HF,HCI,H2O,H2S,NH3)金属氢化物(NaH)1、还原性:4HCI(B)+MnO2 =MnCI2+CI2 T +2H04H+2CI +MnO 2= Mn 2+CI2 T +2H04HCI(B)+PbO2= PbCI2+CI2 T +2H04H+2CI+PbO2 =Pb2+CI2f +2H04HCI(g)+O2 =2CI2+2H2O16HCI+2KMnO 4=2KCI+2MnCI 2+5CI2 T +8f

12、eO16 H+10CI +2MnO 4 =2Mn 2+5CI2 T +8H06HCI+KCI0 3=KCI+3CI2T +3H06H+5CI+CIO3 =3CI2f +3H014HCI+K 2Cr2O7=2KCI+2CrCI 3+3CI2 T +7yO14H+6CI+Cr2O72 = 2Cr3+5CI2 f +7H02H2O+2F2=4HF+O22HCI+F2=2HF+Cl2(F2气与 HCI、HBr、HI、H2S NH3气体不能共存)2HBr+Cl2=2HCl+Br2 (CI2气与 HBr、HI、H2S、NH3气体不能共存)2H2S+3Q(足量)=2SO2+2H2O2H2S+O2(少量)=2

13、S J +2HO2H2S+SQ=3S J +2HOH2S+H2SO,浓)=S ; +SOT +2HO3H2S+2HNO3(稀)=3S ; +2N0T +4HO3H2S+2H+2NO3 =3S J +2NOT +42O5H2S+2KMnO4+3H2SO4=2MnSO4+K2SO4+5S ; +8HO5H 2S+2MnO 4 +6H+=2Mn 2+5S ; +8HO3H2S+K2Cr2O7+4H2SO4=Cr2(SO4)3+K2SO4+3S ; +7HO3H2S+J2O72+8H+=2Cr3+3S J +7HOH2S+4Na2O2+2H2O=Na2SO4+6NaOHH 2S+4Na2O2+2H 2

14、O=8Na+ SO4 2 +6OH2NH3+3CuO =3Cu+N2+3H2O2NH3+3Cl2=N2+6HCl8NH3+3Cl2=N2+6NH4ClNH 3+NaNO2+HCl=NaCl+N 2 T +2HONH3+NO2+H+=N2 T +2HO4NH3+3O2(纯氧)=2N2+6H2O4NH3+5O2 =4NO+6H2。4NH3+6NO=5N2+6H2O (用氨清除 NO)NaH+H2O=NaOH+H2 T (生氢剂)NaH+H 2O=Na+OH +H2 T4NaH+TiCl 4 =Ti+4NaCl+2H 2 T CaH2+2H2O=Ca(OH)2 J +2HT2、酸性:4HF+SiO2

15、=SiF4+2H2O (可测定矿样或钢样中 SiO2的含量,玻璃雕刻)4HF+Si=SiF4+2H2 T2HF+CaCl2=CaF2+2HClHzS+Fe=FeS J +HfH2S+CuCl2=CuS; +2HCl纲酸制强酸白典型反应)H2S+Cu2+=CuS( +2H+H2s+2AgNO3=Ag2s J +2HNOH2S+2Ag+=Ag2S( +2白H2S+HgCl2=HgS; +2HClH2S+Hg2+=HgS; +2HHH2S+Pb(NO3)2=PbS( +2HNO (铅试纸检验空气中 H2S)H2S+Pb2+=PbS; +2qH2S+2Ag=Ag2S+H2 T艰器在空气中变黑的原因)2

16、NH3(液)+2Na=2NaNH2+H2 T (NaNH2+HzO=NaOH+NH 3 T )3、NH3的碱性:NH3+HX=NH 4X (X : F、Cl、Br、I、S)NH3+HNO3=NH4NO3NHs+H+=NH4+2NH3+H2so4=(NH 4)2so4nh 3+h+=nh 4+NH3+NaCl+H2O+CO2=NaHCO3+NH4Cl (侯德榜制碱:用于工业制 备小苏打,苏打)NH3+H2s=NH4HsNH3+H2S=NH4+HS-4、不稳定性:2HF= H2+F22HCl =H2+Cl22H2O= 2H2+O22H2O2=2H2O+O2H2S =H2+S2NH3= N2+3H2

17、2HI H2+I2四.非金属氧化物(SO3、SO2、N2。、NO、N2O3、NO2、N2O4、N2O5、CO、CO2、SiO2、P2O3、P2O5、Cl2。、02。3、。2。5、。2。7、ClO?)1、低价态的还原性:(SO2、CO、NO)2SO2+O2+2H2O=2H2SO4 (这是SO2在大气中缓慢发生的环境化学 反应)2SO2+O2= 2SO3SO2+NO2=SO3+NOSO2+Cl2+2H2O=H2SO4+2HClCl 2+SO2+2H2O=4H +SO42 +2C1SO2+Br2+2H2O=H 2SO4+2HBr Br2+SO2+2H 2O=4H +SO42 +2BrSO2+I2+2

18、H2O=H2SO4+2HI12+SO2+2H2O=4H +SO42 +2I2NO+O2=2NO2NO+NO2+2NaOH=2NaNO2 (用于制硝酸工业中吸收尾气中的 NO和 NO2)NO+NO 2+2OH =2NO22CO+O2 =2CO2CO+CuO =Cu+CQ3CO+Fe2O3 =2Fe+3CO2CO+H2O =CO2+H22、氧化性:SO2+2H2s=3S+2H2。SO3+2KI= K2SO3+I2NO2+2KI+H 2O=NO+12+2KOH (不能用淀粉KI溶液鉴别澳蒸气和NO?)4NO2+H2s=4NO+SO3+H2O2NO2+CU =4CuO+N2N2O+Zn= ZnO+N

19、2CO2+2Mg =2MgO+C (CO2不能用于扑灭由 Mg,Ca,Ba,Na,K等燃烧的火灾)SQ2+2H2 =Si+2H2OSiOz+2Mg =2MgO+Si3、与水的作用:SO2+H2O=H2SC3SO3+H2O=H2SC4SO3+H2O=2H+SO423NO2+H2O=2HNO3+NO (NO2不是硝酸的酸酊)N2O5+H2O=2HNO3N2O5+H2O=2H+2NO3P2O5+H2O(冷水) = =2HPO3P2O5+3H2O(热水)=2H3PO4 (P2O5极易吸水,可作气体干燥剂)P2O5+3H2SO4(浓)=2H3PO4+3SO3CO2+H 2O H 2c。3CI2O+H2O

20、=2HCIOCI2O7+H2O=2HCIO4CI2O7+H2O=2H+2CIO44、与碱性物质的作用:SO2+2NH3+H2O=(NH 4)2SO3SO2+(NH4)2SQ3+H2O=2NH4HSO32NH4HSO3+H2so4=(NH4)2SO4+2H2O+2SO2 T硫酸工业尾气处理)SO2+Ca(OH)2=CaSQ3 J +bO (不能用澄清石灰水鉴别 S02ffi C02.可用品红鉴别)S03+Mg0=MgS0 4SO3+Ca(OH)2=CaSO4 +bOCO2+NH3+H2O=NH4HCO3CO2+2NH3(x)+H20=(NH 4)283(NH4)2CO3= (NH 2)2CO+2

21、H2OCO2+2NH3= (NH2)2CO+H2O (工业制取尿素)CO2+2NaOH(过量尸=Na2cO3+H2O2OH+CO2=CO32+H20CO2(xM)+NaOH=NaHCO3 0H +C02=HC0 3CO2+Ca(OH)2(xM)=CaCO3+H2O Ca2+2 +CO2=CaCO3; +H02co2(过量)+Ca(OH)2=Ca(HCO3)2OH +C0 2=HCO 3CO2-*-CaCO3+H2O=Ca(HCO3)2CO 2+C3CO 3+H 2O=C32 +2HC0 3C02(不足)+2NaAIO2+3H2O=2AI(OH) 3 J +NCO3CO 2+3H 2O+AIO

22、2 =AI(OH) 3 +CQ2CO2()+NaAIO 2+2H2O=AI(OH) 3 J +NaHCCO 2+2H 2O+AIO 2 =AI(OH) 3 +HCQCO2+C6H5ONa+H2O=C6H5OHJ +NaHCCbCO 2+C6H5O +H 2O=C6H5OH; +HCO3SiO2+CaO =CaSiOb (炼钢造渣)SiO2+2NaOH二二二Na2SiO3+H2O(常温下强碱缓慢腐蚀玻璃)SiO2+Na2CO3 =Na2SiO3+CO2 (制取玻璃)SiO2+CaCO3 =CaSiO3+CO2 (制取玻璃)2NO2+2NaOH=NaNO2+NaNO3+H2O2NO2+2OH =N

23、03 +NO2 +H2ONO+NO2+2NaOH=2NaNO2+H2O (制取硝酸工业尾气吸收)NO+NO 2+2OH=2NO3+H20五.金属氧化物1、低价态的还原性:6FgO+O2=2FgsO4FeO+4HNO3=Fe(NO3)3+NO2+2H2OFeO+4H +N0 3 =Fe3+NO 2 T +2H02、氧化性:Na2O2+2Na= 2Na2O (此反应用于制备 Na2O)MgO , Al 2O3几乎没有氧化性,很难被还原为 Mg , Al. 一般通过电解制Mg和Al.Fe2Os+3H2 =2Fe+3H2O(制还原铁粉)FesO4+4H2 =3Fe+4H2OCuO+Hb =Cu+H2O

24、2Fe3O4+16HI=6Fel2+8H2O+2l22Fe3O4+16H+4I =6Fe2+8H 2O+212Fe2O3+Fe= 3FeO (!钢过程中加入废钢作氧化剂)FeO+C =Fe+CO府温炼钢调节C含量)2FeO+Si= 2Fe+SiQ (高温炼钢调节Si含量)3、与水的作用:Na2O+H2O=2NaOHNa2O+H2O=2Na+2OH2Na2O2+2H2O=4NaOH+O2 T2Na2O 2+2H 2O=4Na +4OH +O2 T(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:BaO2+H2SO4(稀)=B

25、aSO4+H2O2)MgO+H 2O=Mg(OH) 2(缓慢反应)4、与酸性物质的作用:Na2O+SO3=Na2SO4NaO+CO2=Na2CO3 MgO+SO3=MgSO4Na2O+2HCl=2NaCl+H 2ONa2O+2H+=2Na+H2O2Na2O2+2CO2=2Na2CO3+O2 TNa2O2+H2SO4(冷,稀)=Na2SO4+H2O2MgO+H 2so4=MgSO4+H2OMgO+2H +=Mg2+H2OAl 2O3+3H2SO4 = = =Al 2(SO4)3+3H2OAl2O3+6H+=2Al3+3H2OAl2O3+2NaOH=2NaAlO2+H2O(AI2O3两性氧化物)A

26、I2O3+2OH =2AlO 2 +H 2OFeO+2HCl=FeCl2+H2OFeO+2H+=Fe2+H2OFe2O3+6HCl=2FeCl3+3H2OFe2O3+6H+=2Fe3+3H2OFe3O4+8HCl=FeCl 2+2FeCb+4H2OFe3O4+8H+=2Fe3+Fe2+4H2O六.含氧酸1、氧化性:4HClO3+3H2s=3H2SO4+4HClClO 3 +3H2s=6H+SO42 +ClHClO3+HI=HIO 3+HClCIO3 +I =IO 3 +Cl3HClO+HI=HIO 3+3HC13HC1O+I -=IO3+3H+C1HC1O+H 2SO3=H2SO4+HC1HC

27、1O+H 2SO3=3H+SO42+C1HC1O+H 2O2=HC1+H 2O+O2 THC1O+H 2O2W+CI +H2O+O2T(氧化性:HC1OHC1O2HC1O3HC1O4,但浓热的HC1O4氧化性很强)2H2SO4(浓)+C CO2 T +2SOT +2HO2H2SO4(浓)+S 3SO2 T +2HOH2SO4+Fe(A1)室温下钝化6H2SO4(浓)+2Fe F(SO4)3+3SO2 T +6HO2H2SO4(浓)+Cu CUSO4+SO2 T +2HOH2SO4(浓)+2HBr=SO2f+B+2H2O(不能用浓硫酸与 NaBr 制取HBr)H2SO4(浓)+2HI=SO2f+

28、2H2O(不能用浓硫酸与 NaI 制取 HI)H2SO4(稀)+Fe=FeSC4+H2 T2H+Fe=Fe2+H2 TH2SO3+2H2s=3SJ +3HO4HNO3(浓)+C CO2 T +4NOT +2HO6HNO3(浓)+S H2SO4+6NO2 T +2HO 5HNO3(浓)+P H3PO4+5NO2 T +HO5HNO3(稀)+3P+2H2O 3H3PO4+5NOT5H+5NO3-+3P+2H2O 3H 3PO4+5NOT6HNO3(浓足)+Fe=Fe(NO3)3+3NO2 T +3HO4HNO3(浓)+Fe(足尸=Fe(NO3)2+NO2 T +2HO(先彳导 Fe3+,在 Fe过

29、量时再生成Fe2+的盐)4HNO3(稀足)+Fe=Fe(NO3)3+NOT +2H2O4H+NO 3-+Fe=Fe3+NOf +2H2O30HNO3+8Fe=8Fe(NO3)3+3N20T +15HO30 H+6NO3 +8Fe=8Fe3+3N20T +15H2O36HNO3+10Fe=10Fe(NQ)3+3N2 T +18HO36H+6NO3+10Fe=8Fe3+3N2 T +18HO30HNO3+8Fe=8Fe(NO3)3+3NH4NO3+9H2O30 H+3NO3 +8Fe=8Fe3+3NH4+9H2O4Zn+10HNO3(稀)=4Zn(NO3)2+N20T +5HO4Zn+10H+2N

30、O3 =4Zn2+N20T +5H2O4Zn+10HNO3(稀)=4Zn(NO3)2+NH4NO3+3H2O4Zn+10H +NO3 =4Zn2+NH 4+5七。2、还原性:H2SO3+X2 + H2O= = = H2SO4+2HX (X 表示 Cl2,Br2,I2)H2so3+X2+H2O=4H+SO42-+X2H2so3+O2=2H2so42H2SO3+O2=4H+SO42-H2SO3+H2O2= = = H2SO4+H2OH2so3+H 2O2=2H +SO42+H 2O5H2SO3+2KMnO4=2MnSO4+K2SO4+2H2SO4+3H2O5H 2so3+2MnO 4 =2Mn 2

31、+4H +3SO42 +3H2OH2SO3+2FeCl3+H2O=H2SO4+2FeCb+2HClH2SO3+2Fe3+H2O=4H +2Fe2+ +SO423、酸性:H2SO4(浓)+CaF2 =CaSO4+2HFT(不挥发性酸制取挥发性酸H2so4(浓)+NaCl NaHSO4+HCl T怀挥发性酸制取挥发性酸H2so4(浓)+2NaCl Na2so4+2HCl T坏挥发性酸制取挥发性酸H2SO4(浓)+NaNO3 NaHSO4+HNO3 T坏挥发性酸制取挥发性酸)3H2SO4(浓)+Ca3(PO4)2 3CaSQ+2H3PO4(强酸制弱酸酸)2H2SO4(浓)+Ca3(PO4)2 2Ca

32、SQ+Ca(H2PO4)2(工业制磷肥)3HNO3+Ag3PO4=H3PO4+3AgNO33H+Ag3PO4=H 3PO4+3Ag+2HNO3+CaCO3=Ca(NO3)2+H2O+CO2 T2H+CaCO 3=Ca2+H 2O+CO 2 T(用HNO3和浓H2SO4不能制备H2S, HI, HBr, SO2等还原性气体)4H3PO4+Ca3(PO4)2 =3Ca(H2PO4)2(重钙)H3P04(浓)+NaBr = NaH2PO,+HBrT不挥发性酸制取挥发性酸,磷酸是非氧化性酸)H3P04 (浓)+NaI =NaH2P04+HI T4、不稳定性:2HC10 =2HCl+0 2 T保存在棕色

33、瓶中)4HNO3 =4NO2 T +0T +2H0 (保存在棕色瓶中)H2SO3 = = H20+S02 T在加热或酸性条件下分解)H2C03= H2O+CO2 T在加热或酸性条件下分解)H4si04 =H2siO3+H2O H2si03 = Si02 ; +H0H2S2O3 =H20+S; +SOT在加热或酸性条件下分解)七.碱1、低价态的还原性:4Fe(OH)2+O2+2H2O=4Fe(OH)32、与酸性物质的作用:2NaOH+SO2(少量)=Na2SO3+H2OOH +SO2=SO32 +H2ONaOH+SO2(足尸NaHSO3OH-+SO2(足户HSO32NaOH+SiO2=Na2Si

34、O3+H2OOH-+SiO2=SiO32+H2O 2NaOH+Al 2O3=2NaAlO2+H2。2OH+AI2O3=2AIO2 +H20 2K0H+CI 2=KCI+KCI0+H 20CI2+2OH =CI +CIO +H2ONaOH+HCI=NaCI+H 20H+OH =H 20NaOH+H2s(足尸=NaHS+KOOH +H2S=HS+H2O2NaOH+H2s(少量尸=W2S+2H2O20H +H2S=S2+2H2O3NaOH+AICI 3=AI(OH) 3 J +3NaCI30H +AI3+=AI(OH) 3;NaOH+AI(OH) 3=NaAIO 2+2H2O (AICI3 和 AI

35、(OH) 3 哪个酸性强?)OH +AI(OH) 3=AIO2 +2H2OCa(OH)2+2NH4CI =2CaCI2+2NH3 T +2y0 (实验室制 NH3)NaOH+NH4CI =NaCI+NH 3 T +H0Mg(OH) 2+2NH4CI=MgCI 2+2NH3 H20 (AI(OH) 3+NH 4CI 不溶解)Ba(OH)2+H2SO4=BaSO4 ; +2bO2H+2OH +Ba2+SO42 =BaS(M 2Ho3、不稳定性:Mg(OH) 2 =MgO+H 2O2AI(OH) 3 =AI 2O3+3H2O2Fe(OH)3 =Fe2O3+3H2OCu(OH)2 =CuO+H2O2A

36、gOH=Ag 2O+H2O八.盐1、氧化性:(在水溶液中)2FeCI3+Fe=3FeCl22Fe3+Fe=3Fe2+2FeCl3+Cu=2FeCl2+CuCl2(用于雕亥脖同线路版)2Fe3+Cu=2Fe2+Cu2+2FeCl3+Zn(少M)=2FeCI2+ZnCI22Fe3+Zn=2Fe2+Zn2+FeCI3+Ag=FeCI2+AgCI ;2Fe3+Cr+2Ag=2Fe2+2AgCI ;Fe2(SO4)3+2Ag=FeSO4+Ag2SO4 ;较难反应)Fe(NO3)3+Ag 不反应 2FeCI3+H2S=2FeCI2+2HCI+S ;2Fe3+H 2S=2Fe2+2H +S ;2FeCI3+

37、2KI=2FeCI2+2KCI+l 22Fe+2r =2Fe2+l2FeCI2+Mg=Fe+MgCI 2Fe2+Mg=Fe+Mg2+NaNO2+NH4CI=NaCI+N 2 T +2feD (实验室制氮气) NH4+NO2=N2t +2H02、还原性:2FeCI2+3CI2=2FeCI3 (在水溶液中不需加热)2Fe2+3CI2=2Fe3+6Cr3Na2S+8HNO3(W)=6NaNO3+2NOf +3S+4HO3S2+8H+2NO3=2NOf +3S+4Mo3Na2so3+2HNO3(稀)=3Na2so4+2NO? +H2O3SO32 +2H +2N0 3 =3SO42 +2N0T +H20

38、 2Na2SO3+O2=2Na2SO4 (Na2sO3在空气中易变质)NazSC+S =Na2s2。3Na2S+CI2=2NaCI+S (在水溶液中)S2 +CI2=2Cr+S;3、与碱性物质的作用:Ca(OH)2+CuSQ=Cu(OH)2 ; +CaSO;波尔多液)MgCI2+2NH3 H20=Mg(0H) 2 ; +2NHCIMg2+2NH3 H20=Mg(0H) 2 ; +HH4+AICI3+3NH3 H20=AI(0H) 3 J +3NHCIAI3+3NH3 H20=AI(0H)+3NH+FeCI3+3NH3 H2O=Fe(OH)3 ; +3NHCIFe3+3NH3 H20=Fe(0H

39、) 3,+3NH+CuSO4+2NH3 H20(不足尸Cu(0H)2 J +(NH)2sO4Cu2+2NH3 H20=Cu(0H) 2; +2NM+Cu(OH)2+4NH3 H2O=Cu(NH3)4(OH)2+4H2OCu(OH) 2MNH3 H2O=Cu(NH 3)42+2OH +4H2O 铜氨溶液CuSO4+4NH3 H2O()=Cu(NH 3)4SO4+4H2O总方程式Cu2+4NH 3 H2O=Cu(NH 3)42+4H2O铜氨溶液AgNOs+NHs H2O=AgOH +NH4NO3 2AgOH=Ag 2。(灰黑色)+H2OAg2O+4NH 3 HzO=2Ag(NH 3)2+2OH-+

40、3H2O 银氨溶液AgNO3+2NH3 H2O=Ag(NH 3)2NO3+2H2OAg+2NH3 H2O=Ag(NH 3)2+2H2O总方程式ZnSO4+2NH3 H?O(不足)=Zn(OH)2 J +(NH)2SO4Zn2+2NH3 H2O=Zn(OH) 2 J +2NH+Zn(OH)2+4NH3 HzO=Zn(NH 3)4(OH)2+4H2。ZnSO4+4NH3 HzO(足尸Zn(NH 3)4SO4+4H2OZn2+4NH3 H2O=Zn(NH 3)42+4力。总方程式或不挥发性酸制挥发性酸PO43-+2H+=H 2PO4-HPO42-+H+=H2PO4-H2PO4-+H+=H3PO4CO

41、32-+H+=HCO 3-HCO3-+H+=CO2 T +HO4、与酸性物质的作用:强酸制弱酸,Na3PC4+2HCl=Na 2HPO4+2NaClNa2HPO4+HCl=NaH 2PO4+NaClNaH2PO4+HCl=H 3PO4+NaClNa2CO3+HCl=NaHCO 3+NaClNaHCO3+HCl=NaCl+H 2O+CO2 T 3Na2CO3+2AlCl 3+3H2O=2Al(OH) 3 J +3COT +6NaCl物质之间的双水解反应)3CO32-+2Al3+3H2O=2Al(OH) 3 J +3COT3Na2CO3+2FeCl3+3H2O=2Fe(OH)3 J +3CO+6N

42、aCl (物质之间的双水解反应)3CO32-+2Fe3+3H2O=2Fe(OH) 3 J +3CQ T3NaHCO3+AlCl 3=Al(OH) 3 ; +3COT(物质之间的双水解反应)3HCO 3-+Al3+=2Al(OH) 3 J +3COT3NaHCO3+FeCl3=Fe(OH)3 ; +3COT(物质之间的双水解反应)3HCO 3-+Fe3+=2Fe(OH)3; +3COT3Na2S+Al 2(SO4)3+6H2O=2Al(OH) 3 J +3HS T(物质之间的双水解反应)3S2-+2Al3+3H 2O=2Al(OH) 3 J +3HST3NaAlO 2+AlCl 3+6H2O=4

43、Al(OH) 3 J +3NaCl物质之间的双水解反应)3AlO2-+Al3+6H2O=4Al(OH) 3 J3NaAlO2+FeCl3+6H2O=3Al(OH) 3 ; +Fe(OH); +3NaCl3AlO 2-+Fe3+6H 2O=3Al(OH) 3 J +Fe(OHHNaAlO 2+NH4Cl+2H2O=Al(OH) 3 J +NH HzO+NaClAlO2-+NH4+2H2O=Al(OH) 3 J +NH H2ONa2CO3+H2O+CO2=2NaHCO3CO 32-+H 2O+CO 2=2HCO 3-Na2CO3+H2O+2SO2=2NaHSO3+CO2 T (1:2)CO 32-+H 2O+2SO2=2HSO3-+CO2 T2Na2CO3(足)+H2O+SO2=Na2SO3+2NaHCO3 (CO2 中的 SO2不能用Na2CO3 洗气)2CO32-+H 2O+SO2=SO32-+2HCO 3- (2:1)Na2CO3+SO2=Na2SO3+CO2(1:1)CO32-+SO2=SO32-+CO2NaHCO3+SO2=NaHSO3+CO2 (CO2 中的 SO2可能用 NaHCO3 洗气)2HCO 3-+SO2=2HSO3-+CO22NaHCO3+SO2=Na2so3+2CO2+H2O2HCO 3-+SO2=SO32-+

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 科普知识


经营许可证编号:宁ICP备18001539号-1