无机化学反应式-钒分族元素.doc

《无机化学反应式-钒分族元素.doc》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、钒(3d34s2)VV+2Cl2VCl44V+5O22V2O5(还可以生成低价氧化物）2V+2H2SO4+2H2O2VO(SO4)+4H2↑3V+10HNO3(冷)3VO(NO3)2+4NO↑+5H2OV2O52V2O5+6Cl24COCl3+3O2↑2V2O5+5Si5SiO2+4VV2O5+5Ca2V+5CaO3V2O5+10Al6V+5Al2O3V2O5+SO2SO3+V2O4V2O4+SO2+O2SO3+V2O5V2O5+2NaOH2NaVO3+H2OV2O5+6HCl(干燥)2VOCl3+3H2OV2O5+10HCl(浓)2VCl4+Cl2+5H2OV2O5

2、+6HCl(浓)2VOCl2+Cl2+3H2OV2O5+H2SO4(VO2)2SO4+H2OV2O5+4NaCl+O24NaVO3+2Cl2↑V2O5+2FeSO4+3H2SO4Fe2(SO4)3+V2O2(SO4)2+3H2OV2O5+2FeSO4+H2SO4Fe2(SO4)3+V2O4+H2OV2O5+4KVO3K4V6O17V2O4V2O4+2KMnO4+3H2SO45V2O5+K2SO4+2MnSO4+3H2OV2O32V2O3+13S2V2S5+3SO2↑2V2S5+15O22V2O5+10SO2VO24VO2+O22V2O53VO2+4Al2Al2O3+3

3、VVO2+2KOHK2VO3+H2OVO2+H2SO4VOSO4+H2O2VO2+2HNO3(浓)V2O5+2NO2↑+H2OH3VO4H3VO4+2HI+3HClVCl3+I2+4H2O2H3VO4+H2S+4H+[V2O2]4++S↓+6H2O2H3VO4+HCOOH+4H+[V2O2]4++CO2↑+6H2OVO43-+4H+(过量)VO2+(黄色)+2H2O2VO43-+3Ba2+Ba3(VO4)2↓2H3VO4+2FeSO4+3H2SO42VO(SO4)+Fe2(SO4)3+6H2O2H3VO4+2Fe2++6H+[V2O2]4++2Fe2++6H2OVO4

4、3-+Fe2++6H+VO2++Fe3++3H2O2VO43-+3Pb2+Pb3(VO4)2↓(沉淀不溶于稀CH3COOH,而溶于稀HNO3)Na3VO42Na3VO4+H2ONa4V2O7+2NaOH2Na3VO4+6HF(气)2H3VO4+6NaFNa3VO4+3HgNO3Hg3(VO4)↓+6NaFNaVO32NaVO3+8HCl+Zn2VOCl2+ZnCl2+2NaCl+4H2O2NaVO3+3Zn+12HCl2VCl2+3ZnCl2+2NaCl+6H2ONaVO3+H2O2+HClHVO4+NaCl+H2O6NaVO3+2HCl2NaCl+Na4V6O17+

5、H2O2NaVO3+H2S+6HClV2O2Cl4+2NaCl+S↓+4H2O2NaVO3+4KI+6H2SO4V2(SO4)3+2I2+Na2SO4+2K2SO4+6H2ONaVO3+3(NH4)2S+3H2ONaVS3+6NH4OH2NaVO3+CuSO4Cu(VO3)2↓(绿色)+Na2SO42VO3-+Pb2+Pb(VO3)2↓VO3-+H+HVO3VO2-+OH-铌(4d45s1)Nb2Nb+5Cl52NbCl52Nb(丝)+5I2(g)2NbI54Nb+5O22Nb2O5Nb+2SNbS22Nb+N22NbNNb+CNbCNb2O5Nb2O5+H2(气流)

6、2NbO2+H2ONb2O5+5C2Nb+5CO3Nb2O5+10Al5Al2O3+6NbNb2O5+5CCl42NbCl5+5COCl2Nb2O5+5NbC7Nb+5CONb2O5+Na2CO32NaNbO3+CO2↑H3NbO42H3NbO4Nb2O5+3H2ONa5NbO512Na5NbO5+55H2O7Na2O·6Nb2O5·32H2O+46NaOHFe(NbO3)2Fe(NbO3)2+10NaOH2Na5NbO5+FeO+5H2OK2NbOF5K2NbOF5+2HFK2NbF7+H2ONbF5NbF5+5NaNb+5NaFNbCl5NbCl5+5HF(无水)

7、NbF5+5HClNbOCl35NbOCl3Nb2O5+3NbCl5NbOCl3+MgMgO+NbCl32NbOCl3+3H2ONb2O5+6HClK2NbF7K2NbF7+5NaNb+2KF+5NaFK2NbF7+H2OK2NbOF5+2HFNbS24NbS2+13O2(空气)2Nb2O5+8SO2↑钽(5d36s2)注：游离的Ta化学性质非常稳定，常温时不与空气、水、酸、碱等作用。钽能与HF慢慢]作用，在150℃以上才与浓H2SO4反应。钽易溶于HNO3和HF的混合液中，在其他酸中不溶解。热、浓碱可与其反应。Ta2Ta+5F22TaF5Ta+2S