1、一：钠 金属及化合物转换关系图NaH 2NaH 2=2NaH NaHH 2O=NaOHH 2Na2O Na NaOH Na2CO3 2NaH 2O=2NaOHH 2 2NaO 2=Na2O22Na 2O22H 2O=2NaOH+O2 (Na2O2H 2O=2NaOHH 2O2;2H2O2=2H2OO 2) Na2O2 NaCl NaHCO3 2NaOHCO 2=Na2CO3+H2O NaOHCO 2=NaHCO3NaClH 2ONH 3CO 2=NaHCO3+NH4Cl 2NaCl=2NaCl 2 2NaCl2H 2O=2NaOHCl 2H 2Na 2CO3Ca(OH) 2=CaCO3+2Na
2、OH ; Na 2CO3CO 2H 2O=2NaHCO3二：铝 Al 2Al2NaOH2H 2O=2NaAlO2+H2O Al2O3 Al 2O32NaOH=2NaAlO 2+H2O2Al 2O3=4Al3O 2 2Al(OH) 3=Al2O3+3H2ONaAlO2 Al（OH） 3 AlCl3 2NaAlO 2CO 23H 2O=2Al(OH)3Na 2CO3NaAlO2CO 22H 2O=Al(OH)3NaHCO 3 NaAlO2HClH 2O=Al(OH)3+NaCl Al(OH) 33HCl= AlCl 33H 2O AlCl 33NH 3H2O=Al(OH)3+NH 4Cl 电解 电
3、解电解2NaAlO2+H2O AlCl3+3NaOH=Al(OH)3+3NaCl Al(OH) 3NaOH=NaAlO 2+2H2O 3AlO 2-+ Al3+6H2O=4Al(OH)3三：铁：Fe3O4 3Fe2O 2=Fe3O4 3Fe4H 2O(g)=Fe3O4+4H2O3Fe 3O48Al=4Al 2O3+9Fe( Fe2O3CO-Fe2HCl=FeCl 2+H2O 2Fe3Cl 2=2FeCl34Fe(OH) 2O 22H 2O=4Fe(OH)3FeCl2 Fe FeCl32FeCl 2Cl 2=3FeCl3 5Fe2 MnO 4-8H +=5Fe3+Mn2+4H2O2Fe2 H 2
4、O22H +=2Fe3+2H2O Fe(OH)2 Fe(OH)3 2MnO4-5H 2O26H +=2Mn2+5O2+8H 2O 2Fe 3 Fe=3Fe 2+ 2Fe3 2I -=2Fe2+I2 2Fe3 HS -=Fe2+H+S2Fe3 Cu=2Fe 2+Cu2+ Fe 3+3H2O=Fe(OH)3(胶体)+3H + Fe3+3SCN-=Fe(SCN)3 Fe+6HNO 3(浓)=Fe(NO 3)3+3NO2+3H 2O Fe+4HNO3(稀=Fe(NO 3)3+NO+2H 2OFe+4HNO3(浓)=Fe(NO 3)2+2NO2+2H 2O 3Fe+8HNO3(稀=3Fe(NO 3)2+2NO+4H 2O四：镁 3Mg+ N2=Mg3N2 2Mg+ CO2=2MgO+CMg3N2+6H2O=3Mg(OH)2+2NH 3 4Mg+10HNO 3(极稀)=4Mg(NO 3)2+NH4NO3+3H2OMg2Si+4H2O=2Mg(OH)2+ SiH 4 SiH 4+2O2=SiO2+2H2O 点燃 点燃点燃 点燃高温点燃
