一、非金属单质(F2,Cl2,O2,S,N2,P,C,Si),今天小编就来说说关于常见化学反应方程式?下面更多详细答案一起来看看吧!
常见化学反应方程式
一、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 (M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 6HNO3(浓) = H2SO4 6NO2 2H2O
3S 4HNO3(稀) = 3SO2 4NO 2H2O
N2 O2 = 2NO
4P 5O2 = 2P2O5
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