题目

下面的方程式中能写成离子方程式的有哪些?
2F2 +2NaOH===2NaF+OF2 +H2O
Cl2 +2FeCl2 ===2FeCl3
5Cl2+I2+6H2O===2HIO3+10HCl
Cl2+SO2 +2H2O===H2SO4 +2HCl
S+6HNO3(浓)===H2SO4+6NO2+2H2O
3S+4 HNO3(稀)===3SO2+4NO+2H2O
P4+20HNO3(浓)===4H3PO4+20NO2+4H2O
C+H2O===CO+H2(生成水煤气)
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（热,浓）===5KCl+KClO3+3H2O
3S+6NaOH===2Na2S+Na2SO3+3H2O
4P+3KOH（浓）+3H2O===PH3+3KH2PO2
11P+15CuSO4+24H2O===5Cu3P+6H3PO4+15H2SO4
2Al+6H2SO4(浓)===Al2(SO4)3+3SO2+6H2O
(Al,Fe在冷,浓的H2SO4,HNO3中钝化)
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 提问时间：2020-08-01

答案

离子方程式：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-(浓)===SO42-+6NO2+2H2O 3S+4H+4NO3-(稀)===3SO2+4NO+2H2OP4+20H+20N...