一、无机化学方程式
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 Ag3PO4+3HNO3====H3PO4+3AgNO3
Al
Al
4Al+3O2 2Al2O3(纯氧) 2Al+3S Al2S3 2Al+3Cl2 2AlCl3 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、浓的硫酸、硝酸中钝化)
2Al+2NaOH+2H2O====2NaAlO2+3H2↑
Al2O3、Al(OH)3
(Al2O3是两性氧化物) 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↑+3NaCl AlCl3+3NaAlO2+6H2O====4Al(OH)3↓+3NaCl
AlCl3+4NaOH====NaAlO2 + 3NaCl +2H2O
Al2(SO4)3+3Na2S+6H2O====2Al(OH)3↓+3H2S↑+3 Na2SO4
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
B
Ba
Ba(OH)2 + CO2 ====BaCO3↓+ H2O Ba(OH)2 + 2CO2(过量) ====Ba(HCO3)2
Ba(OH)2+ H2SO4 ==== BaSO4↓+ 2H2O 3Ba(OH)2+ 2H3PO4 ==== Ba3(PO4)2↓ + 6H2O
BaCl2 + H2SO4 ==== BaSO4↓+ 2HCl BaCl2 + Na2SO4 ==== BaSO4↓ + 2NaCl
BaCO3+2HCl====BaCl2+CO2↑+H2O BaCO3+2HNO3====Ba(NO3)2+CO2↑+H2O
BaO2+H2SO4(稀)====BaSO4↓+H2O2
Be
Be+2HCl====BeCl2+H2↑ Be+2NaOH ====Na2BeO2+H2↑
BeCl2+2NaOH====Be(OH)2↓+2NaCl Be(OH)2+2HCl====BeCl2+2H2O Be(OH)2+2NaOH====Na2BeO2+2H2O
Br
Br2 +H2 2HBr 3Br2 + 2Fe ====2FeBr3
Br2 + 2FeBr2 ====2FeBr3 Br2 + 2NaI====2NaBr + I2 Br2 + 2HI====2HBr + I2
Br2 + H2O ==== HBr + HBrO Br2 + 2NaOH ==== NaBr + NaBrO+H2O
Br2+SO2 +2H2O====H2SO4 +2HBr Br2+H2S====S↓+2HBr
C
C