高中化学方程式

查字典化学网 2012年12月26日

      

      学习园地

      非金属单质(F2 ,Cl2 , O2 , S, N2 , P , C , Si)

      1, 氧化性:

      F2 + H2 === 2HF

      F2 +Xe(过量)===XeF2

      2F2(过量)+Xe===XeF4

      nF2 +2M===2MFn (表示大部分金属)

      2F2 +2H2O===4HF+O2

      2F2 +2NaOH===2NaF+OF2 +H2O

      F2 +2NaCl===2NaF+Cl2

      F2 +2NaBr===2NaF+Br2

      F2+2NaI ===2NaF+I2

      F2 +Cl2 (等体积)===2ClF

      3F2 (过量)+Cl2===2ClF3

      7F2(过量)+I2 ===2IF7

      Cl2 +H2 ===2HCl

      3Cl2 +2P===2PCl3

      Cl2 +PCl3 ===PCl5

      Cl2 +2Na===2NaCl

      3Cl2 +2Fe===2FeCl3

      Cl2 +2FeCl2 ===2FeCl3

      Cl2+Cu===CuCl2

      2Cl2+2NaBr===2NaCl+Br2

      Cl2 +2NaI ===2NaCl+I2

      5Cl2+I2+6H2O===2HIO3+10HCl

      Cl2 +Na2S===2NaCl+S

      Cl2 +H2S===2HCl+S

      Cl2+SO2 +2H2O===H2SO4 +2HCl

      Cl2 +H2O2 ===2HCl+O2

      2O2 +3Fe===Fe3O4

      O2+K===KO2

      S+H2===H2S

      2S+C===CS2

      S+Fe===FeS

      S+2Cu===Cu2S

      3S+2Al===Al2S3

      S+Zn===ZnS

      N2+3H2===2NH3

      N2+3Mg===Mg3N2

      N2+3Ca===Ca3N2

      N2+3Ba===Ba3N2

      N2+6Na===2Na3N

      N2+6K===2K3N

      N2+6Rb===2Rb3N

      P2+6H2===4PH3

      P+3Na===Na3P

      2P+3Zn===Zn3P2

      2.还原性

      S+O2===SO2

      S+O2===SO2

      S+6HNO3(浓)===H2SO4+6NO2+2H2O

      3S+4 HNO3(稀)===3SO2+4NO+2H2O

      N2+O2===2NO

      4P+5O2===P4O10(常写成P2O5)

      2P+3X2===2PX3 (X表示F2,Cl2,Br2)

      PX3+X2===PX5

      P4+20HNO3(浓)===4H3PO4+20NO2+4H2O

      C+2F2===CF4

      C+2Cl2===CCl4

      2C+O2(少量)===2CO

      C+O2(足量)===CO2

      C+CO2===2CO

      C+H2O===CO+H2(生成水煤气)

      2C+SiO2===Si+2CO(制得粗硅)

      Si(粗)+2Cl===SiCl4

      (SiCl4+2H2===Si(纯)+4HCl)

      Si(粉)+O2===SiO2

      Si+C===SiC(金刚砂)

      Si+2NaOH+H2O===Na2SiO3+2H2

      3,(碱中)歧化

      Cl2+H2O===HCl+HClO

      (加酸抑制歧化,加碱或光照促进歧化)

      Cl2+2NaOH===NaCl+NaClO+H2O

      2Cl2+2Ca(OH)2===CaCl2+Ca(ClO)2+2H2O

      3Cl2+6KOH(热,浓)===5KCl+KClO3+3H2O

      3S+6NaOH===2Na2S+Na2SO3+3H2O

      4P+3KOH(浓)+3H2O===PH3+3KH2PO2

      11P+15CuSO4+24H2O===5Cu3P+6H3PO4+15H2SO4

      3C+CaO===CaC2+CO

      3C+SiO2===SiC+2CO

      二,金属单质(Na,Mg,Al,Fe)的还原性

      2Na+H2===2NaH

      4Na+O2===2Na2O

      2Na2O+O2===2Na2O2

      2Na+O2===Na2O2

      2Na+S===Na2S(爆炸)

      2Na+2H2O===2NaOH+H2

      2Na+2NH3===2NaNH2+H2

      4Na+TiCl4(熔融)===4NaCl+Ti

      Mg+Cl2===MgCl2

      Mg+Br2===MgBr2

      2Mg+O2===2MgO

      Mg+S===MgS

      Mg+2H2O===Mg(OH)2+H2

      2Mg+TiCl4(熔融)===Ti+2MgCl2

      Mg+2RbCl===MgCl2+2Rb

      2Mg+CO2===2MgO+C

      2Mg+SiO2===2MgO+Si

      Mg+H2S===MgS+H2

      Mg+H2SO4===MgSO4+H2

      2Al+3Cl2===2AlCl3

      4Al+3O2===2Al2O3(钝化)

      4Al(Hg)+3O2+2xH2O===2(Al2O3.xH2O)+4Hg

      4Al+3MnO2===2Al2O3+3Mn

      2Al+Cr2O3===Al2O3+2Cr

      2Al+Fe2O3===Al2O3+2Fe

      2Al+3FeO===Al2O3+3Fe

      2Al+6HCl===2AlCl3+3H2

      2Al+3H2SO4===Al2(SO4)3+3H2

      2Al+6H2SO4(浓)===Al2(SO4)3+3SO2+6H2O

      (Al,Fe在冷,浓的H2SO4,HNO3中钝化)

      Al+4HNO(稀)===Al(NO3)3+NO+2H2O

      2Al+2NaOH+2H2O===2NaAlO2+3H2

      2Fe+3Br2===2FeBr3

      Fe+I2===FeI2

      Fe+S===FeS

      3Fe+4H2O(g)===Fe3O4+4H2

      Fe+2HCl===FeCl2+H2

      Fe+CuCl2===FeCl2+Cu

      Fe+SnCl4===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)

      三, 非金属氢化物(HF,HCl,H2O,H2S,NH3)

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