什么物质既能与酸反应也能与碱反应
除了HCO3- 和两性金属还有什么
推荐回答(5个)
第一种:既能与强酸反应又能与强碱溶液反应的物质
1、 单质类:Al
2Al+6H+=2Al3+ +3H2↑
2Al+2OH- +2H2O=2AlO2- +3H2↑
2、 氧化物类:Al2O3
Al2O3+6H+=2Al3+ +3H2O
Al2O3+2OH- =2AlO2- +H2O
3、 氢氧化物类:Al(OH)3
Al(OH)3+3H+=Al3+ +3H2O
Al(OH)3+ OH- =AlO2- +2H2O
4、 弱酸的酸式盐类:NaHCO3、NaHS、NaHSO3、Na2 HPO4、Na H2PO4
HCO3- +H+ =CO2↑+H2O
HCO3- +OH- =CO32- + H2O
HSO3- +H+ =SO2↑+H2O
HSO3- +OH- =SO32- + H2O
HS- +H+ =H2S↑
HS- +OH- =S2- + H2O
HPO42- +H+ = H2PO4-
HPO42- +OH- =PO43- + H2O
H2PO4- +H+ = H3PO4
H2PO4- +OH- =HPO42- + H2O;
5、 弱酸的铵盐类:(NH4)2CO3、(NH4)2SiO3、(NH4)2S、(NH4)2SO3、(NH4)3PO4、NH4F、NH4ClO
(NH4)2CO3+2HCl= 2NH4Cl + H2O+CO2↑
(NH4)2CO3+2NaOH=Na2CO3+2NH3?H2O
(NH4)2SiO3+2HCl= 2NH4Cl + H2SiO3↓
(NH4)2SiO3+2NaOH=Na2SiO3+2NH3?H2O
(NH4)2S+2HCl= 2NH4Cl + H2S↑
(NH4)2S+2NaOH=Na2S+2NH3?H2O
(NH4)2SO3+2HCl= 2NH4Cl + H2O+SO2↑
(NH4)2SO3+2NaOH=Na2SO3+2NH3?H2O
(NH4)3PO4+3HCl= 3NH4Cl + H3PO4
(NH4)3PO4 +3NaOH=Na3PO4+3NH3?H2O
NH4F+HCl= NH4Cl + HF↑
NH4F+NaOH=NaF+NH3?H2O
NH4ClO+HCl= NH4Cl + HClO
NH4ClO+NaOH=NaClO +NH3?H2O
6、 氨基酸:α―氨基乙酸
H2N-CH2COOH+HCl→HOOCCH2NH3Cl
H2N-CH2COOH+NaOH→H2N-CH2COONa+H2O,
第二种:既能与某些酸反应又能与所有的强碱溶液反应的物质
7、 能与氢氟酸反应类:Si、SiO2
Si+4HF=SiF4↑+2H2↑
Si+2NaOH+H2O=Na2SiO3+2H2↑
SiO2+4HF=SiF4↑+2H2O
SiO2+2NaOH=Na2SiO3+H2O
8、 能与氧化性酸反应类:HI、H2S 、H2SO3、FeCl2、NH4I
6HI+2HNO3(稀)=I2+2NO↑+4H2O,
HI+ NaOH= NaI+ H2O
3H2S+2HNO3(稀)=3S↓+2NO↑+4H2O
H2S+ 2NaOH= Na2S+ 2H2O
3H2SO3+2HNO3(稀)=3H2SO4+2NO↑+4H2O
H2S+ 2NaOH= Na2S+ 2H2O
3FeCl2 +4HNO3(稀)=Fe(NO3)3+NO↑+2FeCl3+2H2O
FeCl2+2NaOH=Fe(OH)2↓+2NaCl
6NH4I+8HNO3(稀)=6NH4NO3+2NO↑+4H2O+3I2
NH4I+ NaOH=NaI+NH3?H2O
9、 能与还原性酸反应类:浓H2SO4、浓HNO3、稀HNO3、FeCl3、AgNO3
H2S+H2SO4(浓)=S↓+SO2↑+2H2O
H2SO4+ 2NaOH= Na2SO4+ 2H2O
3H2S+2HNO3(稀)=3S↓+2NO↑+4H2O
HNO3(稀)+ NaOH= NaNO3+ H2O
H2S+2HNO3(浓)=S↓+2NO2↑+2H2O
HNO3(浓)+ NaOH= NaNO3+ H2O
2FeCl3+2HI=2FeCl2+2HCl+I2
FeCl3+ 3NaOH=Fe(OH)3↓+3NaCl
2FeCl3+2H2S=2FeCl2+2HCl+S↓
FeCl3+3NH3?H2O=Fe(OH)3↓+3NH4Cl
FeCl3+3NaOH=Fe(OH)3↓+3NaCl
AgNO3+HI=AgI↓+HNO3
AgNO3+ NH3?H2O=AgOH↓+ NH4NO3
AgNO3+ NaOH=AgOH↓+ NaNO3
AgNO3+HCl=AgCl↓+HNO3 ,
AgNO3+ NH3?H2O=AgOH+ NH4NO3
AgNO3+ NaOH=AgOH↓+ NaNO3
AgNO3+HBr=AgBr↓+HNO3
AgNO3+ NH3?H2O=AgOH+ NH4NO3
AgNO3+ NaOH=AgOH↓+ NaNO3
第三种:既能与某些碱溶液反应又能与所有强酸反应的物质
10、与强碱Ca(OH)2、Ba(OH)2反应类:Na2CO3、K2CO3、(NH4)2CO3
Na2CO3+2HCl=2NaCl+H2O+CO2↑
Ca(OH)2+Na2CO3=2NaOH+CaCO3↓
(NH4)2CO3+2HNO3=2NH4NO3+H2O+CO2↑
Ca(OH)2+(NH4)2CO3=2NH3?H2O +CaCO3↓
Na2CO3+2HNO3=2NaNO3+H2O+CO2↑
Ba(OH)2+Na2CO3=2NaOH+BaCO3↓
(NH4)2CO3+2HCl=2NH4Cl+H2O+CO2↑
Ba(OH)2+(NH4)2CO3=2NH3?H2O +BaCO3↓
11、与弱碱NH3?H2O反应类:AgOH、Cu(OH)2、Zn(OH)2
AgOH+HNO3=AgNO3+H2O
AgOH+ 2NH3?H2O=Ag(NH3)2OH+2H2O
Cu(OH)2+2HNO3=Cu(NO3)2+2H2O
Cu(OH)2+ 4NH3?H2O=Cu(NH3)4(OH)2 +4H2O,
Zn(OH)2+2HNO3=Zn(NO3)2+2H2O
Zn(OH)2+ 4NH3?H2O=Zn(NH3)4(OH)2 +4H2O
高中阶段1.Al 2.Al2O3 3.Al(OH)3 4.弱酸的酸式盐 如NaHCO3 5.弱酸的铵盐如碳酸铵 6.氨基酸蛋白质等 这是我们老师给我们总结的 很全
无忌范围内酸式盐,两性金属及其氧化物
有机范围内氨基酸等都是的
单质有Al Be
HCO3- HSO32- HS2- NH4+的弱酸盐
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