下面的方程式中能寫成離子方程式的有哪些?
下面的方程式中能寫成離子方程式的有哪些?
2F2 +2NaOH===2NaF+OF2 +H2O
Cl2 +2FeCl2 ===2FeCl3
5Cl2+I2+6H2O===2HIO3+10HCl
Cl2+SO2 +2H2O===H2SO4 +2HCl
S+6HNO3(濃)===H2SO4+6NO2+2H2O
3S+4 HNO3(稀)===3SO2+4NO+2H2O
P4+20HNO3(濃)===4H3PO4+20NO2+4H2O
C+H2O===CO+H2(生成水煤氣)
2C+SiO2===Si+2CO(制得粗硅)
Si+2NaOH+H2O===Na2SiO3+2H2
Cl2+2NaOH===NaCl+NaClO+H2O
2Cl2+2Ca(OH)2===CaCl2+Ca(ClO)2+2H2O
3Cl2+6KOH(熱,濃)===5KCl+KClO3+3H2O
3S+6NaOH===2Na2S+Na2SO3+3H2O
4P+3KOH(濃)+3H2O===PH3+3KH2PO2
11P+15CuSO4+24H2O===5Cu3P+6H3PO4+15H2SO4
2Al+6H2SO4(濃)===Al2(SO4)3+3SO2+6H2O
(Al,Fe在冷,濃的H2SO4,HNO3中鈍化)
16HCl+2KMnO4===2KCl+2MnCl2+5Cl2+8H2O
14HCl+K2Cr2O7===2KCl+2CrCl3+3Cl2+7H2O
2H2S+3O2(足量)===2SO2+2H2O
2H2S+O2(少量)===2S+2H2O
5H2S+2KMnO4+3H2SO4===2MnSO4+K2SO4+5S+8H2O
3H2S+K2Cr2O7+4H2SO4===Cr2(SO4)3+K2SO4+3S+7H2O
H2S+4Na2O2+2H2O===Na2SO4+6NaOH
2NH3+3CuO===3Cu+N2+3H2O
4NH3+6NO===5N2+6HO(用氨清除NO)
SO2+Cl2+2H2O===H2SO4+2HCl
SO2+Br2+2H2O===H2SO4+2HBr
FeO+4HNO3===Fe(NO3)3+NO2+2H2O
2Na2O2+2H2O===4NaOH+O2
(此反應(yīng)分兩步:Na2O2+2H2O===2NaOH+H2O2 ;
2H2O2===2H2O+O2. H2O2的制備可利用類似的反應(yīng):
4HClO3+3H2S===3H2SO4+4HCl
6H2SO4(濃)+2Fe===Fe2(SO4)3+3SO2+6H2O
2H2SO4(濃)+Cu===CuSO4+SO2+2H2O
H2SO4(濃)+2HBr===SO2+Br2+2H2O
30HNO3+8Fe===8Fe(NO3)3+3NH4NO3+9H2O
30HNO3+8Fe===8Fe(NO3)3+3N2O+15H2O
36HNO3+10Fe===10Fe(NO3)3+3N2+18H2O
5H2SO3+2KMnO4===2MnSO4+K2SO4+2H2SO4+3H2O
H2SO3+2FeCl3+H2O===H2SO4+2FeCl2+2HCl
4Fe(OH)2+O2+2H2O===4Fe(OH)3
2NaOH+SO2(少量)===Na2SO3+H2O
NaOH+SO2(足量)===NaHSO3
2NaOH+Al2O3===2NaAlO2+H2O
2NaOH+Cl2===NaCl+NaClO+H2O
Mg(OH)2+2NH4Cl===MgCl2+2NH3.H2O
3Na2S+8HNO3(稀)===6NaNO3+2NO+3S+4H2O
3Na2SO3+2HNO3(稀)===3Na2SO4+2NO+H2O
2Na2SO3+O2===2Na2SO4
2F2 +2NaOH===2NaF+OF2 +H2O
Cl2 +2FeCl2 ===2FeCl3
5Cl2+I2+6H2O===2HIO3+10HCl
Cl2+SO2 +2H2O===H2SO4 +2HCl
S+6HNO3(濃)===H2SO4+6NO2+2H2O
3S+4 HNO3(稀)===3SO2+4NO+2H2O
P4+20HNO3(濃)===4H3PO4+20NO2+4H2O
C+H2O===CO+H2(生成水煤氣)
2C+SiO2===Si+2CO(制得粗硅)
Si+2NaOH+H2O===Na2SiO3+2H2
Cl2+2NaOH===NaCl+NaClO+H2O
2Cl2+2Ca(OH)2===CaCl2+Ca(ClO)2+2H2O
3Cl2+6KOH(熱,濃)===5KCl+KClO3+3H2O
3S+6NaOH===2Na2S+Na2SO3+3H2O
4P+3KOH(濃)+3H2O===PH3+3KH2PO2
11P+15CuSO4+24H2O===5Cu3P+6H3PO4+15H2SO4
2Al+6H2SO4(濃)===Al2(SO4)3+3SO2+6H2O
(Al,Fe在冷,濃的H2SO4,HNO3中鈍化)
16HCl+2KMnO4===2KCl+2MnCl2+5Cl2+8H2O
14HCl+K2Cr2O7===2KCl+2CrCl3+3Cl2+7H2O
2H2S+3O2(足量)===2SO2+2H2O
2H2S+O2(少量)===2S+2H2O
5H2S+2KMnO4+3H2SO4===2MnSO4+K2SO4+5S+8H2O
3H2S+K2Cr2O7+4H2SO4===Cr2(SO4)3+K2SO4+3S+7H2O
H2S+4Na2O2+2H2O===Na2SO4+6NaOH
2NH3+3CuO===3Cu+N2+3H2O
4NH3+6NO===5N2+6HO(用氨清除NO)
SO2+Cl2+2H2O===H2SO4+2HCl
SO2+Br2+2H2O===H2SO4+2HBr
FeO+4HNO3===Fe(NO3)3+NO2+2H2O
2Na2O2+2H2O===4NaOH+O2
(此反應(yīng)分兩步:Na2O2+2H2O===2NaOH+H2O2 ;
2H2O2===2H2O+O2. H2O2的制備可利用類似的反應(yīng):
4HClO3+3H2S===3H2SO4+4HCl
6H2SO4(濃)+2Fe===Fe2(SO4)3+3SO2+6H2O
2H2SO4(濃)+Cu===CuSO4+SO2+2H2O
H2SO4(濃)+2HBr===SO2+Br2+2H2O
30HNO3+8Fe===8Fe(NO3)3+3NH4NO3+9H2O
30HNO3+8Fe===8Fe(NO3)3+3N2O+15H2O
36HNO3+10Fe===10Fe(NO3)3+3N2+18H2O
5H2SO3+2KMnO4===2MnSO4+K2SO4+2H2SO4+3H2O
H2SO3+2FeCl3+H2O===H2SO4+2FeCl2+2HCl
4Fe(OH)2+O2+2H2O===4Fe(OH)3
2NaOH+SO2(少量)===Na2SO3+H2O
NaOH+SO2(足量)===NaHSO3
2NaOH+Al2O3===2NaAlO2+H2O
2NaOH+Cl2===NaCl+NaClO+H2O
Mg(OH)2+2NH4Cl===MgCl2+2NH3.H2O
3Na2S+8HNO3(稀)===6NaNO3+2NO+3S+4H2O
3Na2SO3+2HNO3(稀)===3Na2SO4+2NO+H2O
2Na2SO3+O2===2Na2SO4
化學(xué)人氣:108 ℃時間:2020-06-02 00:45:05
優(yōu)質(zhì)解答
離子方程式:2F2 +2OH-===2F-+OF2 +H2O Cl2 +2Fe2+ ===2Fe3++2Cl-5Cl2+I2+6H2O===2H+2IO3-+10H+10Cl-Cl2+SO2 +2H2O===4H++SO42- +2Cl -S+4H+6NO3-(濃)===SO42-+6NO2+2H2O 3S+4H+4NO3-(稀)===3SO2+4NO+2H2OP4+20H+20N...
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