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A Ag Ag+2HNO3(浓)=AgNO3+NO2↑+H2O 2AgCl=2Ag + Cl2↑(见光或受热) AgNO3 + NaCl = AgCl↓ + NaNO3 AgNO3 + NaBr= AgBr↓ + NaNO3 AgNO3 + NaI = AgI↓ + NaNO3 2AgNO3+H2S=Ag2S↓+2HNO3 Ag3PO4+3HNO3=H3PO4+3AgNO3 Al Al+3O2 2Al2O3(纯氧) 2Al+3S Al2S3 2Al+3Cl2 2AlCl3 4Al(固) + 3O2(气) = 2Al2O3(固) + 3349.3 kJ·mol-1 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+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)3 Al2O3+3H2SO4=Al2(SO4)3+3H2O (Al2O3是两性氧化物) Al2O3+2NaOH=2NaAlO2+H2O 2Al(OH)3 Al2O3+3H2O Al(OH)3+3HCl=AlCl3+3H2O 2Al(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↓+3NH4Cl 2AlCl3+3Na2CO3+3H2O=2Al(OH)3↓+3CO2↑+6NaCl AlCl3+3NaHCO3=Al(OH)3↓+3CO2↑ AlCl3+3NaAlO2+ 6H2O=4Al(OH)3↓ AlCl3 + 4NaOH = Na[Al(OH)4] + 3NaCl Al2(SO4)3+3Na2S+ 6H2O=2Al(OH)3↓+3H2S↑ Al4C3 + 12H2O = 4Al(OH)3↓ + 3CH4↑ As As2O3 + 6Zn + 12HCl = 2AsH3↑ + 6ZnCl2 + 3H2O 3As2S3 + 28HNO3(稀) + 4H2O = 6H3AsO4 + 9H2SO4 + 28NO↑ As2S3 + 28HNO3(浓) = 2H3AsO4 + 3H2SO4 + 28NO2↑ + 8H2O (责任编辑：admin) |