高中化学方程式

\u9ad8\u4e2d\u5316\u5b66\u65b9\u7a0b\u5f0f

1, \u6c27\u5316\u6027\uff1a
F2 + H2 === 2HF
F2 +Xe(\u8fc7\u91cf)===XeF2
2F2\uff08\u8fc7\u91cf\uff09+Xe===XeF4
nF2 +2M===2MFn (\u8868\u793a\u5927\u90e8\u5206\u91d1\u5c5e)
2F2 +2H2O===4HF+O2
2F2 +2NaOH===2NaF+OF2 +H2O
F2 +2NaCl===2NaF+Cl2
F2 +2NaBr===2NaF+Br2
F2+2NaI ===2NaF+I2
F2 +Cl2 (\u7b49\u4f53\u79ef)===2ClF
3F2 (\u8fc7\u91cf)+Cl2===2ClF3
7F2(\u8fc7\u91cf)+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\uff0e\u8fd8\u539f\u6027
S+O2===SO2
S+O2===SO2
S+6HNO3(\u6d53)===H2SO4+6NO2+2H2O
3S+4 HNO3(\u7a00)===3SO2+4NO+2H2O
N2+O2===2NO
4P+5O2===P4O10(\u5e38\u5199\u6210P2O5)
2P+3X2===2PX3 \uff08X\u8868\u793aF2\uff0cCl2\uff0cBr2\uff09
PX3+X2===PX5
P4+20HNO3(\u6d53)===4H3PO4+20NO2+4H2O
C+2F2===CF4
C+2Cl2===CCl4
2C+O2(\u5c11\u91cf)===2CO
C+O2(\u8db3\u91cf)===CO2
C+CO2===2CO
C+H2O===CO+H2(\u751f\u6210\u6c34\u7164\u6c14)
2C+SiO2===Si+2CO(\u5236\u5f97\u7c97\u7845)
Si(\u7c97)+2Cl===SiCl4
(SiCl4+2H2===Si(\u7eaf)+4HCl)
Si(\u7c89)+O2===SiO2
Si+C===SiC(\u91d1\u521a\u7802)
Si+2NaOH+H2O===Na2SiO3+2H2
3\uff0c\uff08\u78b1\u4e2d\uff09\u6b67\u5316
Cl2+H2O===HCl+HClO
\uff08\u52a0\u9178\u6291\u5236\u6b67\u5316\uff0c\u52a0\u78b1\u6216\u5149\u7167\u4fc3\u8fdb\u6b67\u5316\uff09
Cl2+2NaOH===NaCl+NaClO+H2O
2Cl2+2Ca\uff08OH\uff092===CaCl2+Ca\uff08ClO\uff092+2H2O
3Cl2+6KOH\uff08\u70ed\uff0c\u6d53\uff09===5KCl+KClO3+3H2O
3S+6NaOH===2Na2S+Na2SO3+3H2O
4P+3KOH\uff08\u6d53\uff09+3H2O===PH3+3KH2PO2
11P+15CuSO4+24H2O===5Cu3P+6H3PO4+15H2SO4
3C+CaO===CaC2+CO
3C+SiO2===SiC+2CO
\u4e8c\uff0c\u91d1\u5c5e\u5355\u8d28\uff08Na\uff0cMg\uff0cAl\uff0cFe\uff09\u7684\u8fd8\u539f\u6027
2Na+H2===2NaH
4Na+O2===2Na2O
2Na2O+O2===2Na2O2
2Na+O2===Na2O2
2Na+S===Na2S\uff08\u7206\u70b8\uff09
2Na+2H2O===2NaOH+H2
2Na+2NH3===2NaNH2+H2
4Na+TiCl4\uff08\u7194\u878d\uff09===4NaCl+Ti
Mg+Cl2===MgCl2
Mg+Br2===MgBr2
2Mg+O2===2MgO
Mg+S===MgS
Mg+2H2O===Mg\uff08OH\uff092+H2
2Mg+TiCl4\uff08\u7194\u878d\uff09===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\uff08\u949d\u5316\uff09
4Al(Hg)+3O2+2xH2O===2(Al2O3.xH2O)+4Hg
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(\u6d53)===Al2(SO4)3+3SO2+6H2O
(Al,Fe\u5728\u51b7,\u6d53\u7684H2SO4,HNO3\u4e2d\u949d\u5316)
Al+4HNO(\u7a00)===Al(NO3)3+NO+2H2O
2Al+2NaOH+2H2O===2NaAlO2+3H2
2Fe+3Br2===2FeBr3
Fe+I2===FeI2
Fe+S===FeS
3Fe+4H2O(g)===Fe3O4+4H2
Fe+2HCl===FeCl2+H2
Fe+CuCl2===FeCl2+Cu
Fe+SnCl4===FeCl2+SnCl2
(\u94c1\u5728\u9178\u6027\u73af\u5883\u4e0b,\u4e0d\u80fd\u628a\u56db\u6c2f\u5316\u9521\u5b8c\u5168
\u8fd8\u539f\u4e3a\u5355\u8d28\u9521 Fe+SnCl2==FeCl2+Sn)
\u4e09, \u975e\u91d1\u5c5e\u6c22\u5316\u7269(HF,HCl,H2O,H2S,NH3)
1,\u8fd8\u539f\u6027:
4HCl(\u6d53)+MnO2===MnCl2+Cl2+2H2O
4HCl(g)+O2===2Cl2+2H2O
16HCl+2KMnO4===2KCl+2MnCl2+5Cl2+8H2O
14HCl+K2Cr2O7===2KCl+2CrCl3+3Cl2+7H2O
2H2O+2F2===4HF+O2
2H2S+3O2(\u8db3\u91cf)===2SO2+2H2O
2H2S+O2(\u5c11\u91cf)===2S+2H2O
2H2S+SO2===3S+2H2O
H2S+H2SO4(\u6d53)===S+SO2+2H2O
3H2S+2HNO(\u7a00)===3S+2NO+4H2O
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
2NH3+3Cl2===N2+6HCl
8NH3+3Cl2===N2+6NH4Cl
4NH3+3O2(\u7eaf\u6c27)===2N2+6H2O
4NH3+5O2===4NO+6H2O
4NH3+6NO===5N2+6HO(\u7528\u6c28\u6e05\u9664NO)
NaH+H2O===NaOH+H2
4NaH+TiCl4===Ti+4NaCl+2H2
CaH2+2H2O===Ca(OH)2+2H2
2,\u9178\u6027:
4HF+SiO2===SiF4+2H2O
\uff08\u6b64\u53cd\u5e94\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6d4b\u5b9a\u77ff\u6837\u6216\u94a2\u6837\u4e2dSiO2\u7684\u542b\u91cf\uff09
2HF+CaCl2===CaF2+2HCl
H2S+Fe===FeS+H2
H2S+CuCl2===CuS+2HCl
H2S+2AgNO3===Ag2S+2HNO3
H2S+HgCl2===HgS+2HCl
H2S+Pb(NO3)2===PbS+2HNO3
H2S+FeCl2===
2NH3+2Na==2NaNH2+H2
(NaNH2+H2O===NaOH+NH3)
3\uff0c\u78b1\u6027\uff1a
NH3+HCl===NH4Cl
NH3+HNO3===NH4NO3
2NH3+H2SO4===(NH4)2SO4
NH3+NaCl+H2O+CO2===NaHCO3+NH4Cl
\uff08\u6b64\u53cd\u5e94\u7528\u4e8e\u5de5\u4e1a\u5236\u5907\u5c0f\u82cf\u6253\uff0c\u82cf\u6253\uff09
4\uff0c\u4e0d\u7a33\u5b9a\u6027\uff1a
2HF===H2+F2
2HCl===H2+Cl2
2H2O===2H2+O2
2H2O2===2H2O+O2
H2S===H2+S
2NH3===N2+3H2
\u56db\uff0c\u975e\u91d1\u5c5e\u6c27\u5316\u7269
\u4f4e\u4ef7\u6001\u7684\u8fd8\u539f\u6027\uff1a
2SO2+O2===2SO3
2SO2+O2+2H2O===2H2SO4
\uff08\u8fd9\u662fSO2\u5728\u5927\u6c14\u4e2d\u7f13\u6162\u53d1\u751f\u7684\u73af\u5883\u5316\u5b66\u53cd\u5e94\uff09
SO2+Cl2+2H2O===H2SO4+2HCl
SO2+Br2+2H2O===H2SO4+2HBr
SO2+I2+2H2O===H2SO4+2HI
SO2+NO2===SO3+NO
2NO+O2===2NO2
NO+NO2+2NaOH===2NaNO2
\uff08\u7528\u4e8e\u5236\u785d\u9178\u5de5\u4e1a\u4e2d\u5438\u6536\u5c3e\u6c14\u4e2d\u7684NO\u548cNO2\uff09
2CO+O2===2CO2
CO+CuO===Cu+CO2
3CO+Fe2O3===2Fe+3CO2
CO+H2O===CO2+H2

\u6c27\u5316\u6027\uff1a
SO2+2H2S===3S+2H2O
SO3+2KI===K2SO3+I2
NO2+2KI+H2O===NO+I2+2KOH
\uff08\u4e0d\u80fd\u7528\u6dc0\u7c89KI\u6eb6\u6db2\u9274\u522b\u6eb4\u84b8\u6c14\u548cNO2\uff09
4NO2+H2S===4NO+SO3+H2O
2NO2+Cu===4CuO+N2
CO2+2Mg===2MgO+C
(CO2\u4e0d\u80fd\u7528\u4e8e\u6251\u706d\u7531Mg,Ca,Ba,Na,K\u7b49\u71c3\u70e7\u7684\u706b\u707e)
SiO2+2H2===Si+2H2O
SiO2+2Mg===2MgO+Si
3,\u4e0e\u6c34\u7684\u4f5c\u7528:
SO2+H2O===H2SO3
SO3+H2O===H2SO4
3NO2+H2O===2HNO3+NO
N2O5+H2O===2HNO3
P2O5+H2O===2HPO3
P2O5+3H2O===2H3PO4
(P2O5\u6781\u6613\u5438\u6c34,\u53ef\u4f5c\u6c14\u4f53\u5e72\u71e5\u5242
P2O5+3H2SO4(\u6d53)===2H3PO4+3SO3)
CO2+H2O===H2CO3
4,\u4e0e\u78b1\u6027\u7269\u8d28\u7684\u4f5c\u7528:
SO2+2NH3+H2O===(NH4)2SO3
SO2+(NH4)2SO3+H2O===2NH4HSO3
(\u8fd9\u662f\u786b\u9178\u5382\u56de\u6536SO2\u7684\u53cd\u5e94.\u5148\u7528\u6c28\u6c34\u5438\u6536SO2,
\u518d\u7528H2SO4\u5904\u7406: 2NH4HSO3+H2SO4===(NH4)2SO4+2H2O+2SO2
\u751f\u6210\u7684\u786b\u9178\u94f5\u4f5c\u5316\u80a5,SO2\u5faa\u73af\u4f5c\u539f\u6599\u6c14)
SO2+Ca(OH)2===CaSO3+H2O
(\u4e0d\u80fd\u7528\u6f84\u6e05\u77f3\u7070\u6c34\u9274\u522bSO2\u548cCO2.\u53ef\u7528\u54c1\u7ea2\u9274\u522b)
SO3+MgO===MgSO4
SO3+Ca(OH)2===CaSO4+H2O
CO2+2NaOH(\u8fc7\u91cf)===Na2CO3+H2O
CO2(\u8fc7\u91cf)+NaOH===NaHCO3
CO2+Ca(OH)2(\u8fc7\u91cf)===CaCO3+H2O
2CO2(\u8fc7\u91cf)+Ca(OH)2===Ca(HCO3)2
CO2+2NaAlO2+3H2O===2Al(OH)3+Na2CO3
CO2+C6H5ONa+H2O===C6H5OH+NaHCO3
SiO2+CaO===CaSiO3
SiO2+2NaOH===Na2SiO3+H2O
(\u5e38\u6e29\u4e0b\u5f3a\u78b1\u7f13\u6162\u8150\u8680\u73bb\u7483)
SiO2+Na2CO3===Na2SiO3+CO2
SiO2+CaCO3===CaSiO3+CO2

\u4e2d\u5316\u5b66\u65b9\u7a0b\u5f0f\u5927\u51682007-11-19 21:44\u975e\u91d1\u5c5e\u5355\u8d28\uff08F2 \uff0cCl2 , O2 , S, N2 , P , C , Si\uff09
1, \u6c27\u5316\u6027\uff1a
F2 + H2 === 2HF
F2 +Xe(\u8fc7\u91cf)===XeF2
2F2\uff08\u8fc7\u91cf\uff09+Xe===XeF4
nF2 +2M===2MFn (\u8868\u793a\u5927\u90e8\u5206\u91d1\u5c5e)
2F2 +2H2O===4HF+O2
2F2 +2NaOH===2NaF+OF2 +H2O
F2 +2NaCl===2NaF+Cl2
F2 +2NaBr===2NaF+Br2
F2+2NaI ===2NaF+I2
F2 +Cl2 (\u7b49\u4f53\u79ef)===2ClF
3F2 (\u8fc7\u91cf)+Cl2===2ClF3
7F2(\u8fc7\u91cf)+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\uff0e\u8fd8\u539f\u6027
S+O2===SO2
S+O2===SO2
S+6HNO3(\u6d53)===H2SO4+6NO2+2H2O
3S+4 HNO3(\u7a00)===3SO2+4NO+2H2O
N2+O2===2NO
4P+5O2===P4O10(\u5e38\u5199\u6210P2O5)
2P+3X2===2PX3 \uff08X\u8868\u793aF2\uff0cCl2\uff0cBr2\uff09
PX3+X2===PX5
P4+20HNO3(\u6d53)===4H3PO4+20NO2+4H2O
C+2F2===CF4
C+2Cl2===CCl4
2C+O2(\u5c11\u91cf)===2CO
C+O2(\u8db3\u91cf)===CO2
C+CO2===2CO
C+H2O===CO+H2(\u751f\u6210\u6c34\u7164\u6c14)
2C+SiO2===Si+2CO(\u5236\u5f97\u7c97\u7845)
Si(\u7c97)+2Cl===SiCl4
(SiCl4+2H2===Si(\u7eaf)+4HCl)
Si(\u7c89)+O2===SiO2
Si+C===SiC(\u91d1\u521a\u7802)
Si+2NaOH+H2O===Na2SiO3+2H2
3\uff0c\uff08\u78b1\u4e2d\uff09\u6b67\u5316
Cl2+H2O===HCl+HClO
\uff08\u52a0\u9178\u6291\u5236\u6b67\u5316\uff0c\u52a0\u78b1\u6216\u5149\u7167\u4fc3\u8fdb\u6b67\u5316\uff09
Cl2+2NaOH===NaCl+NaClO+H2O
2Cl2+2Ca\uff08OH\uff092===CaCl2+Ca\uff08ClO\uff092+2H2O
3Cl2+6KOH\uff08\u70ed\uff0c\u6d53\uff09===5KCl+KClO3+3H2O
3S+6NaOH===2Na2S+Na2SO3+3H2O
4P+3KOH\uff08\u6d53\uff09+3H2O===PH3+3KH2PO2
11P+15CuSO4+24H2O===5Cu3P+6H3PO4+15H2SO4
3C+CaO===CaC2+CO
3C+SiO2===SiC+2CO
\u4e8c\uff0c\u91d1\u5c5e\u5355\u8d28\uff08Na\uff0cMg\uff0cAl\uff0cFe\uff09\u7684\u8fd8\u539f\u6027
2Na+H2===2NaH
4Na+O2===2Na2O
2Na2O+O2===2Na2O2
2Na+O2===Na2O2
2Na+S===Na2S\uff08\u7206\u70b8\uff09
2Na+2H2O===2NaOH+H2
2Na+2NH3===2NaNH2+H2
4Na+TiCl4\uff08\u7194\u878d\uff09===4NaCl+Ti
Mg+Cl2===MgCl2
Mg+Br2===MgBr2
2Mg+O2===2MgO
Mg+S===MgS
Mg+2H2O===Mg\uff08OH\uff092+H2
2 \u9ad8\u4e2d\u5316\u5b66\u65b9\u7a0b\u5f0f\u5927\u5168
2Mg+TiCl4\uff08\u7194\u878d\uff09===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\uff08\u949d\u5316\uff09
4Al(Hg)+3O2+2xH2O===2(Al2O3.xH2O)+4Hg
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(\u6d53)===Al2(SO4)3+3SO2+6H2O
(Al,Fe\u5728\u51b7,\u6d53\u7684H2SO4,HNO3\u4e2d\u949d\u5316)
Al+4HNO(\u7a00)===Al(NO3)3+NO+2H2O
2Al+2NaOH+2H2O===2NaAlO2+3H2
2Fe+3Br2===2FeBr3
Fe+I2===FeI2
Fe+S===FeS
3Fe+4H2O(g)===Fe3O4+4H2
Fe+2HCl===FeCl2+H2
Fe+CuCl2===FeCl2+Cu
Fe+SnCl4===FeCl2+SnCl2
(\u94c1\u5728\u9178\u6027\u73af\u5883\u4e0b,\u4e0d\u80fd\u628a\u56db\u6c2f\u5316\u9521\u5b8c\u5168
\u8fd8\u539f\u4e3a\u5355\u8d28\u9521 Fe+SnCl2==FeCl2+Sn)
\u4e09, \u975e\u91d1\u5c5e\u6c22\u5316\u7269(HF,HCl,H2O,H2S,NH3)
1,\u8fd8\u539f\u6027:
4HCl(\u6d53)+MnO2===MnCl2+Cl2+2H2O
4HCl(g)+O2===2Cl2+2H2O
16HCl+2KMnO4===2KCl+2MnCl2+5Cl2+8H2O
14HCl+K2Cr2O7===2KCl+2CrCl3+3Cl2+7H2O
2H2O+2F2===4HF+O2
2H2S+3O2(\u8db3\u91cf)===2SO2+2H2O
2H2S+O2(\u5c11\u91cf)===2S+2H2O
2H2S+SO2===3S+2H2O
H2S+H2SO4(\u6d53)===S+SO2+2H2O
3H2S+2HNO(\u7a00)===3S+2NO+4H2O
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
2NH3+3Cl2===N2+6HCl
8NH3+3Cl2===N2+6NH4Cl
4NH3+3O2(\u7eaf\u6c27)===2N2+6H2O
4NH3+5O2===4NO+6H2O
4NH3+6NO===5N2+6HO(\u7528\u6c28\u6e05\u9664NO)
NaH+H2O===NaOH+H2
4NaH+TiCl4===Ti+4NaCl+2H2
CaH2+2H2O===Ca(OH)2+2H2
2,\u9178\u6027:
4HF+SiO2===SiF4+2H2O
\uff08\u6b64\u53cd\u5e94\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6d4b\u5b9a\u77ff\u6837\u6216\u94a2\u6837\u4e2dSiO2\u7684\u542b\u91cf\uff09
2HF+CaCl2===CaF2+2HCl
H2S+Fe===FeS+H2
H2S+CuCl2===CuS+2HCl
H2S+2AgNO3===Ag2S+2HNO3
H2S+HgCl2===HgS+2HCl
H2S+Pb(NO3)2===PbS+2HNO3
H2S+FeCl2===
2NH3+2Na==2NaNH2+H2
(NaNH2+H2O===NaOH+NH3)
3\uff0c\u78b1\u6027\uff1a
NH3+HCl===NH4Cl
NH3+HNO3===NH4NO3
2NH3+H2SO4===(NH4)2SO4
NH3+NaCl+H2O+CO2===NaHCO3+NH4Cl
\uff08\u6b64\u53cd\u5e94\u7528\u4e8e\u5de5\u4e1a\u5236\u5907\u5c0f\u82cf\u6253\uff0c\u82cf\u6253\uff09
4\uff0c\u4e0d\u7a33\u5b9a\u6027\uff1a
2HF===H2+F2
2HCl===H2+Cl2
2H2O===2H2+O2
2H2O2===2H2O+O2
H2S===H2+S
2NH3===N2+3H2
\u56db\uff0c\u975e\u91d1\u5c5e\u6c27\u5316\u7269
\u4f4e\u4ef7\u6001\u7684\u8fd8\u539f\u6027\uff1a
2SO2+O2===2SO3
2SO2+O2+2H2O===2H2SO4
\uff08\u8fd9\u662fSO2\u5728\u5927\u6c14\u4e2d\u7f13\u6162\u53d1\u751f\u7684\u73af\u5883\u5316\u5b66\u53cd\u5e94\uff09
SO2+Cl2+2H2O===H2SO4+2HCl
SO2+Br2+2H2O===H2SO4+2HBr
SO2+I2+2H2O===H2SO4+2HI
SO2+NO2===SO3+NO
2NO+O2===2NO2
NO+NO2+2NaOH===2NaNO2
\uff08\u7528\u4e8e\u5236\u785d\u9178\u5de5\u4e1a\u4e2d\u5438\u6536\u5c3e\u6c14\u4e2d\u7684NO\u548cNO2\uff09
2CO+O2===2CO2
CO+CuO===Cu+CO2
3CO+Fe2O3===2Fe+3CO2
CO+H2O===CO2+H2
3 \u9ad8\u4e2d\u5316\u5b66\u65b9\u7a0b\u5f0f\u5927\u5168
\u6c27\u5316\u6027\uff1a
SO2+2H2S===3S+2H2O
SO3+2KI===K2SO3+I2
NO2+2KI+H2O===NO+I2+2KOH
\uff08\u4e0d\u80fd\u7528\u6dc0\u7c89KI\u6eb6\u6db2\u9274\u522b\u6eb4\u84b8\u6c14\u548cNO2\uff09
4NO2+H2S===4NO+SO3+H2O
2NO2+Cu===4CuO+N2
CO2+2Mg===2MgO+C
(CO2\u4e0d\u80fd\u7528\u4e8e\u6251\u706d\u7531Mg,Ca,Ba,Na,K\u7b49\u71c3\u70e7\u7684\u706b\u707e)
SiO2+2H2===Si+2H2O
SiO2+2Mg===2MgO+Si
3,\u4e0e\u6c34\u7684\u4f5c\u7528:
SO2+H2O===H2SO3
SO3+H2O===H2SO4
3NO2+H2O===2HNO3+NO
N2O5+H2O===2HNO3
P2O5+H2O===2HPO3
P2O5+3H2O===2H3PO4
(P2O5\u6781\u6613\u5438\u6c34,\u53ef\u4f5c\u6c14\u4f53\u5e72\u71e5\u5242
P2O5+3H2SO4(\u6d53)===2H3PO4+3SO3)
CO2+H2O===H2CO3
4,\u4e0e\u78b1\u6027\u7269\u8d28\u7684\u4f5c\u7528:
SO2+2NH3+H2O===(NH4)2SO3
SO2+(NH4)2SO3+H2O===2NH4HSO3
(\u8fd9\u662f\u786b\u9178\u5382\u56de\u6536SO2\u7684\u53cd\u5e94.\u5148\u7528\u6c28\u6c34\u5438\u6536SO2,
\u518d\u7528H2SO4\u5904\u7406: 2NH4HSO3+H2SO4===(NH4)2SO4+2H2O+2SO2
\u751f\u6210\u7684\u786b\u9178\u94f5\u4f5c\u5316\u80a5,SO2\u5faa\u73af\u4f5c\u539f\u6599\u6c14)
SO2+Ca(OH)2===CaSO3+H2O
(\u4e0d\u80fd\u7528\u6f84\u6e05\u77f3\u7070\u6c34\u9274\u522bSO2\u548cCO2.\u53ef\u7528\u54c1\u7ea2\u9274\u522b)
SO3+MgO===MgSO4
SO3+Ca(OH)2===CaSO4+H2O
CO2+2NaOH(\u8fc7\u91cf)===Na2CO3+H2O
CO2(\u8fc7\u91cf)+NaOH===NaHCO3
CO2+Ca(OH)2(\u8fc7\u91cf)===CaCO3+H2O
2CO2(\u8fc7\u91cf)+Ca(OH)2===Ca(HCO3)2
CO2+2NaAlO2+3H2O===2Al(OH)3+Na2CO3
CO2+C6H5ONa+H2O===C6H5OH+NaHCO3
SiO2+CaO===CaSiO3
SiO2+2NaOH===Na2SiO3+H2O
(\u5e38\u6e29\u4e0b\u5f3a\u78b1\u7f13\u6162\u8150\u8680\u73bb\u7483)
SiO2+Na2CO3===Na2SiO3+CO2
SiO2+CaCO3===CaSiO3+CO2
\u4e94,\u91d1\u5c5e\u6c27\u5316\u7269
1,\u4f4e\u4ef7\u6001\u7684\u8fd8\u539f\u6027:
6FeO+O2===2Fe3O4
FeO+4HNO3===Fe(NO3)3+NO2+2H2O
2,\u6c27\u5316\u6027:
Na2O2+2Na===2Na2O
\uff08\u6b64\u53cd\u5e94\u7528\u4e8e\u5236\u5907Na2O\uff09
MgO\uff0cAl2O3\u51e0\u4e4e\u6ca1\u6709\u6c27\u5316\u6027\uff0c\u5f88\u96be\u88ab\u8fd8\u539f\u4e3aMg\uff0cAl.
\u4e00\u822c\u901a\u8fc7\u7535\u89e3\u5236Mg\u548cAl.
Fe2O3+3H2===2Fe+3H2O (\u5236\u8fd8\u539f\u94c1\u7c89)
Fe3O4+4H2===3Fe+4H2O
3,\u4e0e\u6c34\u7684\u4f5c\u7528:
Na2O+H2O===2NaOH
2Na2O2+2H2O===4NaOH+O2
(\u6b64\u53cd\u5e94\u5206\u4e24\u6b65:Na2O2+2H2O===2NaOH+H2O2 ;
2H2O2===2H2O+O2. H2O2\u7684\u5236\u5907\u53ef\u5229\u7528\u7c7b\u4f3c\u7684\u53cd\u5e94:
BaO2+H2SO4(\u7a00)===BaSO4+H2O2)
MgO+H2O===Mg(OH)2 (\u7f13\u6162\u53cd\u5e94)
4,\u4e0e\u9178\u6027\u7269\u8d28\u7684\u4f5c\u7528:
Na2O+SO3===Na2SO4
Na2O+CO2===Na2CO3
Na2O+2HCl===2NaCl+H2O
2Na2O2+2CO2===2Na2CO3+O2
Na2O2+H2SO4(\u51b7,\u7a00)===Na2SO4+H2O2
MgO+SO3===MgSO4
MgO+H2SO4===MgSO4+H2O
Al2O3+3H2SO4===Al2(SO4)3+3H2O
(Al2O3\u662f\u4e24\u6027\u6c27\u5316\u7269:
Al2O3+2NaOH===2NaAlO2+H2O)
FeO+2HCl===FeCl2+3H2O
Fe2O3+6HCl===2FeCl3+3H2O
Fe2O3+3H2S(g)===Fe2S3+3H2O
Fe3O4+8HCl===FeCl2+2FeCl3+4H2O
4 \u56de\u590d\uff1a\u9ad8\u4e2d\u5316\u5b66\u65b9\u7a0b\u5f0f\u5927\u5168
\u516d,\u542b\u6c27\u9178
1,\u6c27\u5316\u6027:
4HClO3+3H2S===3H2SO4+4HCl
HClO3+HI===HIO3+HCl
3HClO+HI===HIO3+3HCl
HClO+H2SO3===H2SO4+HCl
HClO+H2O2===HCl+H2O+O2
(\u6c27\u5316\u6027:HClO>HClO2>HClO3>HClO4,
\u4f46\u6d53,\u70ed\u7684HClO4\u6c27\u5316\u6027\u5f88\u5f3a)
2H2SO4(\u6d53)+C===CO2+2SO2+2H2O
2H2SO4(\u6d53)+S===3SO2+2H2O
H2SO4+Fe(Al) \u5ba4\u6e29\u4e0b\u949d\u5316
6H2SO4(\u6d53)+2Fe===Fe2(SO4)3+3SO2+6H2O
2H2SO4(\u6d53)+Cu===CuSO4+SO2+2H2O
H2SO4(\u6d53)+2HBr===SO2+Br2+2H2O
H2SO4(\u6d53)+2HI===SO2+I2+2H2O
H2SO4(\u7a00)+Fe===FeSO4+H2
2H2SO3+2H2S===3S+2H2O
4HNO3(\u6d53)+C===CO2+4NO2+2H2O
6HNO3(\u6d53)+S===H2SO4+6NO2+2H2O
5HNO3(\u6d53)+P===H3PO4+5NO2+H2O
6HNO3+Fe===Fe(NO3)3+3NO2+3H2O
4HNO3+Fe===Fe(NO3)3+NO+2H2O
30HNO3+8Fe===8Fe(NO3)3+3N2O+15H2O
36HNO3+10Fe===10Fe(NO3)3+3N2+18H2O
30HNO3+8Fe===8Fe(NO3)3+3NH4NO3+9H2O
2,\u8fd8\u539f\u6027:
H2SO3+X2+H2O===H2SO4+2HX
(X\u8868\u793aCl2,Br2,I2)
2H2SO3+O2===2H2SO4
H2SO3+H2O2===H2SO4+H2O
5H2SO3+2KMnO4===2MnSO4+K2SO4+2H2SO4+3H2O
H2SO3+2FeCl3+H2O===H2SO4+2FeCl2+2HCl
3,\u9178\u6027:
H2SO4(\u6d53) +CaF2===CaSO4+2HF
H2SO4(\u6d53)+NaCl===NaHSO4+HCl
H2SO4(\u6d53) +2NaCl===Na2SO4+2HCl
H2SO4(\u6d53)+NaNO3===NaHSO4+HNO3
3H2SO4(\u6d53)+Ca3\uff08PO4\uff092===3CaSO4+2H3PO4
2H2SO4(\u6d53)+Ca3\uff08PO4\uff092===2CaSO4+Ca\uff08H2PO4\uff092
3HNO3+Ag3PO4===H3PO4+3AgNO3
2HNO3+CaCO3===Ca\uff08NO3\uff092+H2O+CO2
\uff08\u7528HNO3\u548c\u6d53H2SO4\u4e0d\u80fd\u5236\u5907H2S\uff0cHI\uff0cHBr\uff0c\uff08SO2\uff09
\u7b49\u8fd8\u539f\u6027\u6c14\u4f53\uff09
4H3PO4+Ca3\uff08PO4\uff092===3Ca\uff08H2PO4\uff092\uff08\u91cd\u9499\uff09
H3PO4\uff08\u6d53\uff09+NaBr===NaH2PO4+HBr
H3PO4\uff08\u6d53\uff09+NaI===NaH2PO4+HI
4\uff0c\u4e0d\u7a33\u5b9a\u6027\uff1a
2HClO===2HCl+O2
4HNO3===4NO2+O2+2H2O
H2SO3===H2O+SO2
H2CO3===H2O+CO2
H4SiO4===H2SiO3+H2O
\u4e03\uff0c\u78b1
\u4f4e\u4ef7\u6001\u7684\u8fd8\u539f\u6027\uff1a
4Fe\uff08OH\uff092+O2+2H2O===4Fe\uff08OH\uff093
\u4e0e\u9178\u6027\u7269\u8d28\u7684\u4f5c\u7528\uff1a
2NaOH+SO2\uff08\u5c11\u91cf\uff09===Na2SO3+H2O
NaOH+SO2\uff08\u8db3\u91cf\uff09===NaHSO3
2NaOH+SiO2===NaSiO3+H2O
2NaOH+Al2O3===2NaAlO2+H2O
2NaOH+Cl2===NaCl+NaClO+H2O
NaOH+HCl===NaCl+H2O
NaOH+H2S\uff08\u8db3\u91cf\uff09===NaHS+H2O
2NaOH+H2S\uff08\u5c11\u91cf\uff09===Na2S+2H2O
3NaOH+AlCl3===Al\uff08OH\uff093+3NaCl
NaOH+Al\uff08OH\uff093===NaAlO2+2H2O
\uff08AlCl3\u548cAl\uff08OH\uff093\u54ea\u4e2a\u9178\u6027\u5f3a\uff1f\uff09
NaOH+NH4Cl===NaCl+NH3+H2O
Mg\uff08OH\uff092+2NH4Cl===MgCl2+2NH3.H2O
Al(OH)3+NH4Cl \u4e0d\u6eb6\u89e3
3,\u4e0d\u7a33\u5b9a\u6027:
Mg(OH)2===MgO+H2O
2Al(OH)3===Al2O3+3H2O
2Fe(OH)3===Fe2O3+3H2O
Cu(OH)2===CuO+H2O
\u516b,\u76d0
1,\u6c27\u5316\u6027:
2FeCl3+Fe===3FeCl2
2FeCl3+Cu===2FeCl2+CuCl2
(\u7528\u4e8e\u96d5\u523b\u94dc\u7ebf\u8def\u7248)
2FeCl3+Zn===2FeCl2+ZnCl2
FeCl3+Ag===FeCl2+AgC
Fe2(SO4)3+2Ag===FeSO4+Ag2SO4(\u8f83\u96be\u53cd\u5e94)
Fe(NO3)3+Ag \u4e0d\u53cd\u5e94
2FeCl3+H2S===2FeCl2+2HCl+S
2FeCl3+2KI===2FeCl2+2KCl+I2
5 \u56de\u590d\uff1a\u9ad8\u4e2d\u5316\u5b66\u65b9\u7a0b\u5f0f\u5927\u5168
FeCl2+Mg===Fe+MgCl2
2,\u8fd8\u539f\u6027:
2FeCl2+Cl2===2FeCl3
3Na2S+8HNO3(\u7a00)===6NaNO3+2NO+3S+4H2O
3Na2SO3+2HNO3(\u7a00)===3Na2SO4+2NO+H2O
2Na2SO3+O2===2Na2SO4
3,\u4e0e\u78b1\u6027\u7269\u8d28\u7684\u4f5c\u7528:
MgCl2+2NH3.H2O===Mg(OH)2+NH4Cl
AlCl3+3NH3.H2O===Al(OH)3+3NH4Cl
FeCl3+3NH3.H2O===Fe(OH)3+3NH4Cl
4,\u4e0e\u9178\u6027\u7269\u8d28\u7684\u4f5c\u7528:
Na3PO4+HCl===Na2HPO4+NaCl
Na2HPO4+HCl===NaH2PO4+NaCl
NaH2PO4+HCl===H3PO4+NaCl
Na2CO3+HCl===NaHCO3+NaCl
NaHCO3+HCl===NaCl+H2O+CO2
3Na2CO3+2AlCl3+3H2O===2Al(OH)3+3CO2+6NaCl
3Na2CO3+2FeCl3+3H2O===2Fe(OH)3+3CO2+6NaCl
3NaHCO3+AlCl3===Al(OH)3+3CO2
3NaHCO3+FeCl3===Fe(OH)3+3CO2
3Na2S+Al2(SO4)3+6H2O===2Al(OH)3+3H2S
3NaAlO2+AlCl3+6H2O===4Al(OH)3
5,\u4e0d\u7a33\u5b9a\u6027:
Na2S2O3+H2SO4===Na2SO4+S+SO2+H2O
NH4Cl===NH3+HCl
NH4HCO3===NH3+H2O+CO2
2KNO3===2KNO2+O2
2Cu(NO3)3===2CuO+4NO2+O2
2KMnO4===K2MnO4+MnO2+O2
2KClO3===2KCl+3O2
2NaHCO3===Na2CO3+H2O+CO2
Ca(HCO3)2===CaCO3+H2O+CO2
CaCO3===CaO+CO2
MgCO3===MgO+CO2


\u9ad8\u4e2d\u5316\u5b66\u65b9\u7a0b\u5f0f\u603b\u7ed3
\u975e\u91d1\u5c5e\u5355\u8d28\uff08F2 \uff0cCl2 , O2 , S, N2 , P , C , Si\uff09
1, \u6c27\u5316\u6027\uff1a
F2 + H2 === 2HF
F2 +Xe(\u8fc7\u91cf)===XeF2
2F2\uff08\u8fc7\u91cf\uff09+Xe===XeF4
nF2 +2M===2MFn (\u8868\u793a\u5927\u90e8\u5206\u91d1\u5c5e)
2F2 +2H2O===4HF+O2
2F2 +2NaOH===2NaF+OF2 +H2O
F2 +2NaCl===2NaF+Cl2
F2 +2NaBr===2NaF+Br2
F2+2NaI ===2NaF+I2
F2 +Cl2 (\u7b49\u4f53\u79ef)===2ClF
3F2 (\u8fc7\u91cf)+Cl2===2ClF3
7F2(\u8fc7\u91cf)+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

高中化学方程式
一、非金属单质(F2,Cl2,O2,S,N2,P,C,Si,H)
1、氧化性:
F2+H2===2HF (阴暗处爆炸)
F2+Xe(过量)==XeF2
2F2(过量)+Xe==XeF4 (XeF4是强氧化剂,能将Mn2+氧化为MnO4–)
nF2+2M===2MFn(M表示大部分金属)
2F2+2H2O===4HF+O2 (水是还原剂)
2F2+2NaOH===2NaF+OF2+H2O
F2+2NaCl===2NaF+Cl2
F2+2NaBr===2NaF+Br2
F2+2NaI===2NaF+I2
7F2(过量)+I2===2IF7
F2+Cl2(等体积)===2ClF (ClF属于类卤素:ClF+H2O==HF+HClO )
3F2(过量)+Cl2===2ClF3 (ClF3+3H2O==3HF+HClO3 )
Cl2+H2 2HCl (将H2在Cl2点燃;混合点燃、加热、光照发生爆炸)
3Cl2+2P 2PCl3 Cl2+PCl3 PCl5 Cl2+2Na 2NaCl
3Cl2+2Fe 2FeCl3 Cl2+Cu CuCl2
Cl2+2FeCl2===2FeCl3 (在水溶液中:Cl2+2Fe2+===2Fe3++3Cl )
Cl2+2NaBr===2NaCl+Br2 Cl2+2Br =2Cl +Br2
Cl2+2KI===2KCl+I2 Cl2+2I =2Cl +I2
3Cl2(过量)+2KI+3H2O===6HCl+KIO3
3Cl2+I–+3H2O=6H++6Cl–+IO3–
5Cl2+I2+6H2O===2HIO3+10HCl
5Cl2+I2+6H2O=10Cl–+IO3–+12H+
Cl2+Na2S===2NaCl+S↓ Cl2+S2–=2Cl–+S↓
Cl2+H2S===2HCl+S↓ (水溶液中:Cl2+H2S=2H++2Cl–+S↓
Cl2+SO2+2H2O===H2SO4+2HCl
Cl2+SO2+2H2O=4H++SO42–+2Cl–
Cl2+H2O2===2HCl+O2 Cl2+H2O2=2H++Cl–+O2
2O2+3Fe Fe3O4 O2+K===KO2
S+H2 H2S 2S+C CS2 S+Zn ZnS
S+Fe FeS (既能由单质制取,又能由离子制取)
S+2Cu Cu2S (只能由单质制取,不能由离子制取)
3S+2Al Al2S3 (只能由单质制取,不能由离子制取)
N2+3H2 2NH3 N2+3Mg Mg3N2 N2+3Ca Ca3N2
N2+3Ba Ba3N2 N2+6Na 2Na3N N2+6K 2K3N
N2+6Rb 2Rb3N N2+2Al 2AlN
P4+6H2 4PH3 P+3Na Na3P 2P+3Zn Zn3P2
H2+2Li 2LiH
2、还原性
S+O2 SO2 S+H2SO4(浓) 3SO2↑+2H2O
S+6HNO3(浓) H2SO4+6NO2↑+2H2O
S+4H++6==6NO2↑+2H2O+
3S+4HNO3(稀) 3SO2+4NO↑+2H2O
3S+4H++4 3SO2+4NO↑+2H2O
N2+O2 2NO
4P+5O2 P4O10(常写成P2O5)
2P+3X2 2PX3(X表示F2,Cl2,Br2) PX3+X2 PX5
P4+20HNO3(浓) 4H3PO4+20NO2↑+4H2O
C+2F2 CF4 C+2Cl2 CCl4
C+O2(足量) CO2 2C+O2(少量) 2CO
C+CO2 2CO C+H2O CO+H2(生成水煤气)
2C+SiO2 Si+2CO(制得粗硅)
Si(粗)+2Cl2 SiCl4 (SiCl4+2H2===Si(纯)+4HCl)
Si(粉)+O2 SiO2 Si+C SiC(金刚砂)
Si+2NaOH+H2O==Na2SiO3+2H2↑ (Si+2OH +H2O= +2H2↑)
3、歧化反应
Cl2+H2O==HCl+HClO(加碱或光照促进歧化: (Cl2+H2O H++Cl–+HClO)
Cl2+2NaOH==NaCl+NaClO+H2O (Cl2+2OH–=Cl–+ClO–+H2O)
Cl2+2Ca(OH)2==CaCl2+Ca(ClO)2+2H2O (Cl2+2OH–=Cl–+ClO–+H2O)
3Cl2+6KOH(浓) 5KCl+KClO3+3H2O (3Cl2+6OH– 5Cl–+ClO3–+3H2O)
3S+6NaOH 2Na2S+Na2SO3+3H2O (3S+6OH– 2S2–+SO32–+3H2O)
4P+3KOH(浓)+3H2O==PH3↑+3KH2PO2 (4P+3OH–+3H2O==PH3↑+3H2PO2–)
11P+15CuSO4+24H2O==5Cu3P+6H3PO4+15H2SO4
3C+CaO CaC2+CO↑
3C+SiO2 SiC+2CO↑
二.金属单质(Na,Mg,Al,Fe,Cu)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+2H2O=2Na++2OH―+H2↑
2Na+2NH3==2NaNH2+H2↑ 2Na+2NH3=2Na++2NH2―+H2↑
4Na+TiCl4 4NaCl+Ti Mg+Cl2 MgCl2 Mg+Br2 MgBr2
2Mg+O2 2MgO Mg+S MgS
2Cu+S Cu2S (Cu2S只能由单质制备)
Mg+2H2O Mg(OH)2+H2↑
2Mg+TiCl4 Ti+2MgCl2 Mg+2RbCl MgCl2+2Rb
2Mg+CO2 2MgO+C 2Mg+SiO2 2MgO+Si
Mg+H2S==MgS+H2
Mg+H2SO4==MgSO4+H2↑ (Mg+2H+=Mg2++H2↑)
2Al+3Cl2 2AlCl3
4Al+3O2===2Al2O3 (常温生成致密氧化膜而钝化,在氧气中燃烧)
4Al(Hg)+3O2+2xH2O===2(Al2O3.xH2O)+4Hg(铝汞齐)
4Al+3MnO2 2Al2O3+3Mn 2Al+Cr2O3 Al2O3+2Cr (铝热反应)
2Al+Fe2O3 Al2O3+2Fe 2Al+3FeO Al2O3+3Fe
2Al+6HCl===2AlCl3+3H2↑ 2Al+6H+=2Al3++3H2↑
2Al+3H2SO4===Al2(SO4)3+3H2↑ 2Al+6H+=2Al3++3H2↑
2Al+6H2SO4(浓)===Al2(SO4)3+3SO2+6H2O (Al,Fe在冷,浓的H2SO4,HNO3中钝化)
Al+4HNO3(稀)===Al(NO3)3+NO↑+2H2O Al+4H++NO3–=Al3++NO↑+2H2O
2Al+2NaOH+2H2O===2NaAlO2+3H2↑ 2Al+2OH–+2H2O=2AlO2–+3H2↑
2Fe+3Br2===2FeBr3 3Fe+2O2 Fe3O4 2Fe+O2 2FeO (炼钢过程)
Fe+I2 FeI2
Fe+S FeS (FeS既能由单质制备,又能由离子制备)
3Fe+4H2O(g) Fe3O4+4H2↑
Fe+2HCl===FeCl2+H2↑ Fe+2H+=Fe2++H2↑
Fe+CuCl2===FeCl2+Cu Fe+Cu2+=Fe2++Cu↓
Fe+SnCl4===FeCl2+SnCl2(铁在酸性环境下,不能把四氯化锡完全还原为单质锡Fe+SnCl2==FeCl2+Sn↓ Fe+Sn2+=Fe2++Sn↓
三.非金属氢化物(HF,HCl,H2O,H2S,NH3) 金属氢化物(NaH)
1、还原性:
4HCl(浓)+MnO2 MnCl2+Cl2↑+2H2O
4H++2Cl–+MnO2 Mn2++Cl2↑+2H2O
4HCl(浓)+PbO2 PbCl2+Cl2↑+2H2O
4H++2Cl–+PbO2 Pb2++Cl2↑+2H2O
4HCl(g)+O2 2Cl2+2H2O
16HCl+2KMnO4===2KCl+2MnCl2+5Cl2↑+8H2O
16 H++10Cl-+2MnO4–=2Mn2++5Cl2↑+8H2O
6HCl+KClO3==KCl+3Cl2↑+3H2O
6H++5Cl–+ClO3–=3Cl2↑+3H2O
14HCl+K2Cr2O7===2KCl+2CrCl3+3Cl2↑+7H2O
14H++6Cl–+Cr2O72–=2Cr3++5Cl2↑+7H2O
2H2O+2F2===4HF+O2
2HCl+F2=2HF+Cl2 (F2气与HCl、HBr、HI、H2S、NH3气体不能共存)
2HBr+Cl2=2HCl+Br2 (Cl2气与HBr、HI、H2S、NH3气体不能共存)
2H2S+3O2(足量) 2SO2+2H2O 2H2S+O2(少量) 2S↓+2H2O
2H2S+SO2===3S↓+2H2O H2S+H2SO4(浓)===S↓+SO2↑+2H2O
3H2S+2HNO3(稀)===3S↓+2NO↑+4H2O
3H2S+2H++2NO3–=3S↓+2NO↑+4H2O
5H2S+2KMnO4+3H2SO4===2MnSO4+K2SO4+5S↓+8H2O
5H2S+2MnO4–+6H+=2Mn2++5S↓+8H2O
3H2S+K2Cr2O7+4H2SO4===Cr2(SO4)3+K2SO4+3S↓+7H2O
3H2S+Cr2O72–+8H+===2Cr3++3S↓+7H2O
H2S+4Na2O2+2H2O===Na2SO4+6NaOH
H2S+4Na2O2+2H2O=8Na++ +
2NH3+3CuO 3Cu+N2+3H2O
2NH3+3Cl2===N2+6HCl 8NH3+3Cl2===N2+6NH4Cl
NH3+NaNO2+HCl==NaCl+N2↑+2H2O
NH3+NO2–+H+=N2↑+2H2O
4NH3+3O2(纯氧) 2N2+6H2O 4NH3+5O2 4NO+6H2O
4NH3+6NO===5N2+6H2O (用氨清除NO)
NaH+H2O===NaOH+H2↑ (生氢剂)
NaH+H2O=Na++OH–+H2↑
4NaH+TiCl4 Ti+4NaCl+2H2↑ CaH2+2H2O=Ca(OH)2↓+2H2↑
2、酸性:
4HF+SiO2===SiF4+2H2O(可测定矿样或钢样中SiO2的含量,玻璃雕刻)
4HF+Si===SiF4+2H2↑
2HF+CaCl2===CaF2+2HCl H2S+Fe===FeS↓+H2↑
H2S+CuCl2===CuS↓+2HCl (弱酸制强酸的典型反应)
H2S+Cu2+=CuS↓+2H+
H2S+2AgNO3===Ag2S↓+2HNO3
H2S+2Ag+=Ag2S↓+2H+
H2S+HgCl2===HgS↓+2HCl
H2S+Hg2+=HgS↓+2H+
H2S+Pb(NO3)2===PbS↓+2HNO3 (铅试纸检验空气中H2S)
H2S+Pb2+=PbS↓+2H+
H2S+2Ag===Ag2S+H2↑(银器在空气中变黑的原因)
2NH3(液)+2Na==2NaNH2+H2↑ (NaNH2+H2O===NaOH+NH3↑)
3、NH3的碱性:
NH3+HX===NH4X (X:F、Cl、Br、I、S)
NH3+HNO3===NH4NO3 NH3+H+=NH4+
2NH3+H2SO4===(NH4)2SO4 NH3+H+=NH4+
NH3+NaCl+H2O+CO2===NaHCO3+NH4Cl(侯德榜制碱:用于工业制备小苏打,苏打)
NH3+H2S==NH4HS NH3+H2S=NH4++HS-
4、不稳定性:
2HF H2+F2 2HCl H2+Cl2 2H2O 2H2+O2
2H2O2===2H2O+O2 H2S H2+S 2NH3 N2+3H2
2HI H2+I2
四.非金属氧化物(SO3、SO2、N2O、NO、N2O3、NO2、N2O4、N2O5、CO、CO2、SiO2、P2O3、P2O5、Cl2O、Cl2O3、Cl2O5、Cl2O7、ClO2)
1、低价态的还原性:(SO2、CO、NO)
2SO2+O2+2H2O===2H2SO4(这是SO2在大气中缓慢发生的环境化学反应)
2SO2+O2 2SO3 SO2+NO2===SO3+NO
SO2+Cl2+2H2O===H2SO4+2HCl Cl2+SO2+2H2O=4H++SO42–+2Cl–
SO2+Br2+2H2O===H2SO4+2HBr Br2+SO2+2H2O=4H++SO42–+2Br–
SO2+I2+2H2O===H2SO4+2HI I2+SO2+2H2O=4H++SO42–+2I–
2NO+O2===2NO2
NO+NO2+2NaOH===2NaNO2(用于制硝酸工业中吸收尾气中的NO和NO2)
NO+NO2+2OH–=2NO2–
2CO+O2 2CO2 CO+CuO Cu+CO2
3CO+Fe2O3 2Fe+3CO2 CO+H2O CO2+H2
2、氧化性:
SO2+2H2S===3S+2H2O
SO3+2KI K2SO3+I2
NO2+2KI+H2O===NO+I2+2KOH(不能用淀粉KI溶液鉴别溴蒸气和NO2)
4NO2+H2S===4NO+SO3+H2O
2NO2+Cu 4CuO+N2 N2O+Zn ZnO+N2
CO2+2Mg 2MgO+C (CO2不能用于扑灭由Mg,Ca,Ba,Na,K等燃烧的火灾)
SiO2+2H2 Si+2H2O SiO2+2Mg 2MgO+Si
3、与水的作用:
SO2+H2O===H2SO3
SO3+H2O===H2SO4 SO3+H2O=2H++SO42–
3NO2+H2O===2HNO3+NO (NO2不是硝酸的酸酐)
N2O5+H2O===2HNO3 N2O5+H2O=2H++2NO3–
P2O5+H2O(冷水)===2HPO3
P2O5+3H2O(热水)===2H3PO4 (P2O5极易吸水,可作气体干燥剂)
P2O5+3H2SO4(浓)===2H3PO4+3SO3
CO2+H2O===H2CO3
Cl2O+H2O==2HClO
Cl2O7+H2O==2HClO4 Cl2O7+H2O=2H++2ClO4–
4、与碱性物质的作用:
SO2+2NH3+H2O===(NH4)2SO3
SO2+(NH4)2SO3+H2O===2NH4HSO3
2NH4HSO3+H2SO4===(NH4)2SO4+2H2O+2SO2↑(硫酸工业尾气处理)
SO2+Ca(OH)2===CaSO3↓+H2O (不能用澄清石灰水鉴别SO2和CO2.可用品红鉴别)
SO3+MgO===MgSO4
SO3+Ca(OH)2===CaSO4↓+H2O
CO2+NH3+H2O===NH4HCO3
CO2+2NH3(过量)+H2O===(NH4)2CO3 (NH4)2CO3 (NH2)2CO+2H2O
CO2+2NH3 (NH2)2CO+H2O (工业制取尿素)
CO2+2NaOH(过量)==Na2CO3+H2O 2OH-+CO2=CO32–+H2O
CO2(过量)+NaOH==NaHCO3 OH-+CO2=HCO3–
CO2+Ca(OH)2(过量)==CaCO3+H2O Ca2++2 +CO2=CaCO3↓+H2O
2CO2(过量)+Ca(OH)2==Ca(HCO3)2 OH―+CO2=HCO3–
CO2+CaCO3+H2O==Ca(HCO3)2 CO2+CaCO3+H2O=Ca2++2HCO3–
CO2(不足)+2NaAlO2+3H2O===2Al(OH)3↓+Na2CO3
CO2+3H2O+AlO2–=Al(OH)3↓+CO32–
CO2(足)+NaAlO2+2H2O===Al(OH)3↓+NaHCO3
CO2+2H2O+AlO2–=Al(OH)3↓+HCO3–
CO2+C6H5ONa+H2O===C6H5OH↓+NaHCO3
CO2+C6H5O―+H2O=C6H5OH↓+HCO3–
SiO2+CaO CaSiO3 (炼钢造渣)
SiO2+2NaOH===Na2SiO3+H2O(常温下强碱缓慢腐蚀玻璃)
SiO2+Na2CO3 Na2SiO3+CO2 (制取玻璃)
SiO2+CaCO3 CaSiO3+CO2 (制取玻璃)
2NO2+2NaOH==NaNO2+NaNO3+H2O
2NO2+2OH―=NO3–+NO2―+H2O
NO+NO2+2NaOH==2NaNO2+H2O (制取硝酸工业尾气吸收)
NO+NO2+2OH―=2NO3–+H2O
五.金属氧化物
1、低价态的还原性:
6FeO+O2===2Fe3O4
FeO+4HNO3===Fe(NO3)3+NO2+2H2O
FeO+4H++NO3―=Fe3++NO2↑+2H2O
2、氧化性:
Na2O2+2Na 2Na2O(此反应用于制备Na2O)
MgO,Al2O3几乎没有氧化性,很难被还原为Mg,Al.一般通过电解制Mg和Al.
Fe2O3+3H2 2Fe+3H2O(制还原铁粉)
Fe3O4+4H2 3Fe+4H2O CuO+H2 Cu+H2O
2Fe3O4+16HI==6FeI2+8H2O+2I2
2Fe3O4+16H++4I―=6Fe2++8H2O+2I2
Fe2O3+Fe 3FeO (炼钢过程中加入废钢作氧化剂)
FeO+C Fe+CO (高温炼钢调节C含量)
2FeO+Si 2Fe+SiO2 (高温炼钢调节Si含量)
3、与水的作用:
Na2O+H2O==2NaOH
Na2O+H2O=2Na++2OH–
2Na2O2+2H2O===4NaOH+O2↑
2Na2O2+2H2O=4Na++4OH–+O2↑
(此反应分两步:Na2O2+2H2O===2NaOH+H2O2;2H2O2===2H2O+O2 H2O2的制备可利用类似的反应:BaO2+H2SO4(稀)===BaSO4+H2O2)
MgO+H2O===Mg(OH)2(缓慢反应)
4、与酸性物质的作用:
Na2O+SO3==Na2SO4 Na2O+CO2==Na2CO3 MgO+SO3===MgSO4
Na2O+2HCl==2NaCl+H2O
Na2O+2H+=2Na++H2O
2Na2O2+2CO2==2Na2CO3+O2↑
Na2O2+H2SO4(冷,稀)===Na2SO4+H2O2
MgO+H2SO4===MgSO4+H2O
MgO+2H+=Mg2++H2O
Al2O3+3H2SO4===Al2(SO4)3+3H2O
Al2O3+6H+=2Al3++3H2O
Al2O3+2NaOH===2NaAlO2+H2O (Al2O3两性氧化物)
Al2O3+2OH―=2AlO2―+H2O
FeO+2HCl===FeCl2+H2O
FeO+2H+=Fe2++H2O
Fe2O3+6HCl===2FeCl3+3H2O
Fe¬2O3+6H+=2Fe3++3H2O
Fe3O4+8HCl===FeCl2+2FeCl3+4H2O
Fe¬3O4+8H+=2Fe3++Fe2++4H2O
六.含氧酸
1、氧化性:
4HClO3+3H2S===3H2SO4+4HCl
ClO3–+3H2S=6H++SO42–+Cl–
HClO3+HI===HIO3+HCl
ClO3–+I–=IO3–+Cl–
3HClO+HI===HIO3+3HCl
3HClO+I-=IO3–+3H++Cl–
HClO+H2SO3===H2SO4+HCl
HClO+H2SO3=3H++SO42–+Cl–
HClO+H2O2===HCl+H2O+O2↑
HClO+H2O2=H++Cl–+H2O+O2↑
(氧化性:HClO>HClO2>HClO3>HClO4,但浓,热的HClO4氧化性很强)
2H2SO4(浓)+C CO2↑+2SO2↑+2H2O
2H2SO4(浓)+S 3SO2↑+2H2O
H2SO4+Fe(Al)室温下钝化 6H2SO4(浓)+2Fe Fe2(SO4)3+3SO2↑+6H2O
2H2SO4(浓)+Cu CuSO4+SO2↑+2H2O
H2SO4(浓)+2HBr===SO2↑+Br2+2H2O (不能用浓硫酸与NaBr制取HBr)
H2SO4(浓)+2HI===SO2↑+I2+2H2O (不能用浓硫酸与NaI制取HI)
H2SO4(稀)+Fe===FeSO4+H2↑
2H++Fe=Fe2++H2↑
H2SO3+2H2S===3S↓+3H2O
4HNO3(浓)+C CO2↑+4NO2↑+2H2O
6HNO3(浓)+S H2SO4+6NO2↑+2H2O
5HNO3(浓)+P H3PO4+5NO2↑+H2O
5HNO3(稀)+3P+2H2O 3H3PO4+5NO↑
5H++5NO3-+3P+2H2O 3H3PO4+5NO↑
6HNO3(浓足)+Fe===Fe(NO3)3+3NO2↑+3H2O
4HNO3(浓)+Fe(足)===Fe(NO3)2+NO2↑+2H2O(先得Fe3+,在Fe过量时再生成Fe2+的盐)
4HNO3(稀足)+Fe===Fe(NO3)3+NO↑+2H2O
4H++NO3-+Fe=Fe3++NO↑+2H2O
30HNO3+8Fe===8Fe(NO3)3+3N2O↑+15H2O
30 H++6NO3–+8Fe=8Fe3++3N2O↑+15H2O
36HNO3+10Fe===10Fe(NO3)3+3N2↑+18H2O
36H++6NO3–+10Fe=8Fe3++3N2↑+18H2O
30HNO3+8Fe===8Fe(NO3)3+3NH4NO3+9H2O
30 H++3NO3–+8Fe=8Fe3++3NH4++9H2O
4Zn+10HNO3(稀)==4Zn(NO3)2+N2O↑+5H2O
4Zn+10H++2NO3–=4Zn2++N2O↑+5H2O
4Zn+10HNO3(稀)==4Zn(NO3)2+NH4NO3+3H2O
4Zn+10H++NO3–=4Zn2++NH4++5H2O
2、还原性:
H2SO3+X2+H2O===H2SO4+2HX (X表示Cl2,Br2,I2)
H2SO3+X2+H2O=4H++SO42-+X–
2H2SO3+O2==2H2SO4
2H2SO3+O2=4H++SO42-
H2SO3+H2O2===H2SO4+H2O
H2SO3+H2O2=2H++SO42–+H2O
5H2SO3+2KMnO4===2MnSO4+K2SO4+2H2SO4+3H2O
5H2SO3+2MnO4–=2Mn2++4H++3SO42–+3H2O
H2SO3+2FeCl3+H2O===H2SO4+2FeCl2+2HCl
H2SO3+2Fe3++H2O=4H++2Fe2+ +SO42–
3、酸性:
H2SO4(浓)+CaF2 CaSO4+2HF↑ (不挥发性酸制取挥发性酸)
H2SO4(浓)+NaCl NaHSO4+HCl↑ (不挥发性酸制取挥发性酸)
H2SO4(浓)+2NaCl Na2SO4+2HCl↑ (不挥发性酸制取挥发性酸)
H2SO4(浓)+NaNO3 NaHSO4+HNO3↑ (不挥发性酸制取挥发性酸)
3H2SO4(浓)+Ca3(PO4)2 3CaSO4+2H3PO4 (强酸制弱酸酸)
2H2SO4(浓)+Ca3(PO4)2 2CaSO4+Ca(H2PO4)2 (工业制磷肥)
3HNO3+Ag3PO4==H3PO4+3AgNO3
3H++Ag3PO4=H3PO4+3Ag+
2HNO3+CaCO3==Ca(NO3)2+H2O+CO2↑
2H++CaCO3=Ca2++H2O+CO2↑
(用HNO3和浓H2SO4不能制备H2S,HI,HBr, SO2等还原性气体)
4H3PO4+Ca3(PO4)2 3Ca(H2PO4)2 (重钙)
H3PO4(浓)+NaBr NaH2PO4+HBr↑ (不挥发性酸制取挥发性酸,磷酸是非氧化性酸)
H3PO4(浓)+NaI NaH2PO4+HI↑
4、不稳定性:
2HClO 2HCl+O2↑(保存在棕色瓶中)
4HNO3 4NO2↑+O2↑+2H2O (保存在棕色瓶中)
H2SO3 H2O+SO2↑ (在加热或酸性条件下分解)
H2CO3 H2O+CO2↑ (在加热或酸性条件下分解)
H4SiO4 H2SiO3+H2O H2SiO3 SiO2↓+H2O
H2S2O3 H2O+S↓+SO2↑(在加热或酸性条件下分解)
七.碱
1、低价态的还原性:
4Fe(OH)2+O2+2H2O===4Fe(OH)3
2、与酸性物质的作用:
2NaOH+SO2(少量)==Na2SO3+H2O
OH–+SO2=SO32–+H2O
NaOH+SO2(足)==NaHSO3
OH-+SO2(足)=HSO3–
2NaOH+SiO2==Na2SiO3+H2O
OH-+SiO2=SiO32–+H2O
2NaOH+Al2O3==2NaAlO2+H2O
2OH-+Al2O3=2AlO2–+H2O
2KOH+Cl2==KCl+KClO+H2O
Cl2+2OH–=Cl–+ClO–+H2O
NaOH+HCl==NaCl+H2O
H++OH =H2O
NaOH+H2S(足)==NaHS+H2O
OH–+H2S=HS–+H2O
2NaOH+H2S(少量)==Na2S+2H2O
2OH–+H2S=S2–+2H2O
3NaOH+AlCl3==Al(OH)3↓+3NaCl
3OH–+Al3+=Al(OH)3↓
NaOH+Al(OH)3==NaAlO2+2H2O (AlCl3和Al(OH)3哪个酸性强?)
OH–+Al(OH)3=AlO2–+2H2O
Ca(OH)2+2NH4Cl 2CaCl2+2NH3↑+2H2O (实验室制NH3)
NaOH+NH4Cl NaCl+NH3↑+H2O
Mg(OH)2+2NH4Cl==MgCl2+2NH3•H2O (Al(OH)3+NH4Cl不溶解)
Ba(OH)2+H2SO4==BaSO4↓+2H2O
2H++2OH–+Ba2++SO42–=BaSO4↓2H2O
3、不稳定性:
Mg(OH)2 MgO+H2O 2Al(OH)3 Al2O3+3H2O
2Fe(OH)3 Fe2O3+3H2O Cu(OH)2 CuO+H2O 2AgOH==Ag2O+H2O
八.盐
1、氧化性:(在水溶液中)
2FeCl3+Fe==3FeCl2 2Fe3++Fe=3Fe2+
2FeCl3+Cu===2FeCl2+CuCl2 (用于雕刻铜线路版) 2Fe3++Cu=2Fe2++Cu2+
2FeCl3+Zn(少量)===2FeCl2+ZnCl2 2Fe3++Zn=2Fe2++Zn2+
FeCl3+Ag===FeCl2+AgCl↓ 2Fe3++Cl-+2Ag=2Fe2++2AgCl↓
Fe2(SO4)3+2Ag===FeSO4+Ag2SO4↓ (较难反应) Fe(NO3)3+Ag不反应
2FeCl3+H2S===2FeCl2+2HCl+S↓ 2Fe3++H2S=2Fe2++2H++S↓
2FeCl3+2KI===2FeCl2+2KCl+I2 2Fe3++2I-=2Fe2++I2
FeCl2+Mg===Fe+MgCl2 Fe2++Mg=Fe+Mg2+
NaNO2+NH4Cl==NaCl+N2↑+2H2O (实验室制氮气) NH4++NO2-=N2↑+2H2O
2、还原性:
2FeCl2+3Cl2===2FeCl3 (在水溶液中不需加热)
2Fe2++3Cl2=2Fe3++6Cl-
3Na2S+8HNO3(稀)===6NaNO3+2NO↑+3S+4H2O
3S2-+8H++2NO3-=2NO↑+3S+4H2O
3Na2SO3+2HNO3(稀)===3Na2SO4+2NO↑+H2O
3SO32-+2H++2NO3-=3SO42-+2NO↑+H2O
2Na2SO3+O2===2Na2SO4 (Na2SO3在空气中易变质)
Na2SO3+S Na2S2O3
Na2S+Cl2==2NaCl+S↓(在水溶液中) S2-+Cl2=2Cl-+S↓
3、与碱性物质的作用:
Ca(OH)2+CuSO4==Cu(OH)2↓+CaSO4↓ (波尔多液)
MgCl2+2NH3•H2O===Mg(OH)2↓+2NH4Cl
Mg2++2NH3•H2O=Mg(OH)2↓+2NH4+
AlCl3+3NH3•H2O===Al(OH)3↓+3NH4Cl
Al3++3NH3•H2O=Al(OH)2↓+3NH4+
FeCl3+3NH3•H2O===Fe(OH)3↓+3NH4Cl
Fe3++3NH3•H2O=Fe(OH)3↓+3NH4+
CuSO4+2NH3•H2O(不足)==Cu(OH)2↓+(NH4)2SO4
Cu2++2NH3•H2O=Cu(OH)2↓+2NH4+
Cu(OH)2+4NH3•H2O=Cu(NH3)4(OH)2+4H2O
Cu(OH)2+4NH3•H2O=[Cu(NH3)4]2++2OH-+4H2O 铜氨溶液
CuSO4+4NH3•H2O(足)==Cu(NH3)4SO4+4H2O 总方程式
Cu2++4NH3•H2O=[Cu(NH3)4]2++4H2O 铜氨溶液
AgNO3+NH3•H2O==AgOH↓+NH4NO3 2AgOH=Ag2O(灰黑色)+H2O
Ag2O+4NH3•H2O=2[Ag(NH3)2]++2OH-+3H2O 银氨溶液
AgNO3+2NH3•H2O==Ag(NH3)2NO3+2H2O
Ag++2NH3•H2O=[Ag(NH3)2]++2H2O 总方程式
ZnSO4+2NH3•H2O(不足)==Zn(OH)2↓+(NH4)2SO4
Zn2++2NH3•H2O=Zn(OH)2↓+2NH4+
Zn(OH)2+4NH3•H2O=Zn(NH3)4(OH)2+4H2O
ZnSO4+4NH3•H2O(足)==Zn(NH3)4SO4+4H2O
Zn2++4NH3•H2O=[Zn(NH3)4]2++4H2O 总方程式
4、与酸性物质的作用:强酸制弱酸,或不挥发性酸制挥发性酸
Na3PO4+2HCl===Na2HPO4+2NaCl PO43-+2H+=H2PO4-
Na2HPO4+HCl===NaH2PO4+NaCl HPO42-+H+=H2PO4-
NaH2PO4+HCl===H3PO4+NaCl H2PO4-+H+=H3PO4
Na2CO3+HCl===NaHCO3+NaCl CO32-+H+=HCO3-
NaHCO3+HCl===NaCl+H2O+CO2↑ HCO3-+H+=CO2↑+H2O
3Na2CO3+2AlCl3+3H2O==2Al(OH)3↓+3CO2↑+6NaCl (物质之间的双水解反应)
3CO32-+2Al3++3H2O=2Al(OH)3↓+3CO2↑
3Na2CO3+2FeCl3+3H2O===2Fe(OH)3↓+3CO2+6NaCl (物质之间的双水解反应)
3CO32-+2Fe3++3H2O=2Fe(OH)3↓+3CO2↑
3NaHCO3+AlCl3===Al(OH)3↓+3CO2↑ (物质之间的双水解反应)
3HCO3-+Al3+=2Al(OH)3↓+3CO2↑
3NaHCO3+FeCl3===Fe(OH)3↓+3CO2↑ (物质之间的双水解反应)
3HCO3-+Fe3+=2Fe(OH)3↓+3CO2↑
3Na2S+Al2(SO4)3+6H2O===2Al(OH)3↓+3H2S↑ (物质之间的双水解反应)
3S2-+2Al3++3H2O=2Al(OH)3↓+3H2S↑
3NaAlO2+AlCl3+6H2O==4Al(OH)3↓+3NaCl (物质之间的双水解反应)
3AlO2-+Al3++6H2O=4Al(OH)3↓
3NaAlO2+FeCl3+6H2O==3Al(OH)3↓+Fe(OH)3↓+3NaCl
3AlO2-+Fe3++6H2O=3Al(OH)3↓+Fe(OH)3↓
NaAlO2+NH4Cl+2H2O==Al(OH)3↓+NH3•H2O+NaCl
AlO2-+NH4++2H2O=Al(OH)3↓+NH3•H2O
Na2CO3+H2O+CO2===2NaHCO3
CO32-+H2O+CO2=2HCO3-
Na2CO3+H2O+2SO2==2NaHSO3+CO2↑ (1:2)
CO32-+H2O+2SO2=2HSO3-+CO2↑
2Na2CO3(足)+H2O+SO2==Na2SO3+2NaHCO3 (CO2中的SO2不能用Na2CO3洗气)
2CO32-+H2O+SO2=SO32-+2HCO3- (2:1)
Na2CO3+SO2==Na2SO3+CO2 (1:1)
CO32-+SO2=SO32-+CO2
NaHCO3+SO2===NaHSO3+CO2 (CO2中的SO2可能用NaHCO3洗气)
2HCO3-+SO2=2HSO3-+CO2
2NaHCO3+SO2==Na2SO3+2CO2+H2O
2HCO3-+SO2=SO32-+2CO2+H2O
Na2SiO3+2HCl===H2SiO3↓+NaCl 或Na2SiO3+2HCl+H2O===H4SiO4↓+2NaCl
SiO32-+2H+=H2SiO3↓ 或SiO32-+2H++H2O=H4SiO4↓
Na2SiO3+CO2+2H2O===H2SiO3↓+Na2CO3
SiO32-+CO2+2H2O=H4SiO4↓+CO32-
5、盐与盐复分解反应
Na2SO4+BaCl2==BaSO4↓+2NaCl(沉淀不溶于盐酸、硝酸)
SO32-+Ba2+=BaSO4↓
Na2SO3+BaCl2==BaSO3↓+2NaCl (沉淀溶于盐酸,在硝酸中生成新的沉淀,沉淀不消失)
SO32-+Ba2+=BaSO3↓
Na2CO3+BaCl2==BaCO3↓+2NaCl(沉淀溶于盐酸、沉淀消失)
2NaCl(熔融) 2Na+Cl2↑
(-)2Na++2e-==2Na
(+)2Cl--4e-==Cl2↑
2Na++2Cl-(熔融) 2Na+Cl2↑
2Al2O3(熔融) 4Al+2O2↑
(-)4Al3++12e–==4Al
(+)6O2- -12e-==3O2↑
4Al3+ +6O2- 4Al+3O2↑
NaHF2(熔融) H2↑+F2↑
(-)2H++2e–==H2↑
(+)2F- -2e-==F2↑
2HF H2↑+F2↑
十二、原电池反应 X—Y(电解质溶液) 或 X//电解质溶液//Y
(1)不可逆电池
苏打电池:Zn—Cu(H2SO4)
Zn极(-) Zn–2e-==Zn2+ (氧化反应)
Cu极(+) 2H++2e-==H2↑ (还原反应)
离子方程式 Zn+2H+==H2↑+Zn2+
化学方程式 Zn+H2SO4=ZnSO4+H2↑
铁碳电池:Fe—C(H2CO3)
Fe极(-) Fe–2e-==Fe2+ (氧化反应)
C极 (+) 2H++2e-==H2↑ (还原反应)
离子方程式 Fe+2H+==H2↑+Fe2+ (析氢腐蚀)
铁碳电池:Fe—C(H2O、O2)
Fe极(-) 2Fe–4e-==2Fe2+ (氧化反应)
C极 (+) O2+2H2O+4e-==4 (还原反应)
化学方程式 2Fe+O2+2H2O==2Fe(OH)2 (吸氧腐蚀)
4Fe(OH)2+O2+2H2O==4Fe(OH)3
2Fe(OH)3==Fe2O3•nH2O+(3-n)H2O (铁锈的生成过程)
铝镍电池:Al—Ni(NaCl溶液、O2)
Al极(-) 4Al–12e-==4Al3+ (氧化反应)
Ni极(+)3O2+6H2O+12e-==12 (还原反应)
化学方程式 4Al+3O2+6H2O==4Al(OH)3 (海洋灯标电池)
干电池:Zn—MnO2(NH4Cl糊状物) NH4Cl+H2O==NH3•H2O+HCl
Zn极(-) Zn–2e-==Zn2+ (氧化反应)
Cu极(+) 2MnO2+2H++2e-==Mn2O3+H2O (还原反应)
化学方程式 Zn+2NH4Cl+2MnO2=ZnCl2+Mn2O3+2NH3↑
(2)可逆电池
铅蓄电池:Pb—PbO2(浓硫酸)放电
Pb极 (-) Pb+H2SO4–2e-==PbSO4+2H+ (氧化反应)
PbO2极 (+)PbO2+H2SO4+2H++2e-==PbSO4+2H2O (还原反应)
化学方程式 Pb+PbO2+2H2SO4==2PbSO4+2H2O
Pb—PbO2(浓硫酸)充电
Pb极 (-) PbSO4+2H+–2e-== Pb+H2SO4 (还原反应)
PbO2极 (+)PbSO4+2H2O+2e-==PbO2+H2SO4+2H+ (氧化反应)

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