高中化学方程式配平练习(1022)

2025-08-15

高中化学方程式练习

一、无机化学反应方程式

§1◆碱金属元素(14分)

1.__Na2O2+__H2O=== ________________ 2.__Na2O2+__CO2===_______________ 16.__NaI + __AgNO3 ===_______________ 17.__AgBr

_______________

18.__Na2SO3+ __H2O +__Cl2==_____________ 19.__HClO+ __H2O+__SO2 = ______________

§3氧族元素(20分)

_______________ 3.__Na2CO3+__HCl===_______________ 1.__Fe + __S

4.__NaHCO3+__HCl===_______________ 5.__NaHCO3 _______________ 6.__Li+ __O2

_______________

7.__NaHCO3 + __NaOH== _______________ 8.__Na2CO3+__H2O+__CO2 ==____________ 9.__NaOH+ __CO2 (少量)== _______________ 10.__NaOH+__ CO2(多量)==___________ 11.__CO2+__Ca(OH)2(过量)== __________ 12.__CO2(过量)+ __Ca(OH)2==__________ 13.__CaCO3+__H2O +__CO2=___________ 14.__NaOH + __FeCl3 ==_______________

§2卤族元素(19分)

1.__Cl2+__Fe

_______________

2.__Cl2+__H2O= _______________ 3.__Cl2+__NaOH=== _______________ 4. __Cl2+__Ca(OH)2==_______________ 5.__Cl2+__FeCl2 ===_______________ 6.__Ca(ClO)2+__H2O+ __CO2(少量)==_____ 7.__Ca(ClO)2+__H2O+__SO2==_________ 8._HClO

_______________

9.__F2 +__H2O==_______________ 10.__HCl + __AgNO3 ===_______________ 11. C+ H2O

__________ (生成水煤气)

12.__Cl2+__NaBr===_______________ 13.__Cl2 +__K I ===_______________ 14.__HCl(浓)+ __MnO2

_______________

15. __NaBr+__AgNO3 = _______________

1

2.__Cu + __S _______________ 3.__S + __O2 _______________

4.__O2__O3

5.__H2O2

_______________

6.__H2S+__SO2== _______________ 7.__H2S + __CuSO4= _______________ 8.__SO2 + __H2O

_______________

9.__SO2 +__ Ca(OH)2 = _______________ 10.__SO2 + __O2 _______________ 11.__Cl2(Br2、I2 类似) + __SO2 + __H2O= 12.__H2S + __O2(足量) (Cl2、Br2、I2 、SO2 都可氧化)

____________

13.__NaCl+__H2SO4(浓) ____________ 14.__H2SO4(浓)+ __Cu _______________ 15.__H2SO4(浓) + __C

_______________

16.__Na2SO3 +__ O2 = _______________ 17.__Na2SO3+__H2SO4= _______________ 18._Na2SO3+ __H2O +__Cl2== _____________ 19.__SO2(

)+

__NH3+__H2O===

20.__SO2+__ (NH4)2SO3+__H2O=== _________

§4碳族元素(13分)

1.__Ca(OH)2 +__ CO2 == _______________ 2.__Ca(OH)2 +__ SO2 == _______________ 3.__C+ __SiO2 _______________ 4.__ Si +__O2

_______________

5._Si + __HF== _______________

6.__Si+ __NaOH+ __H2O= _______________ 7.__SiO2+__NaOH === _______________ 8.__SiO2+ __HF === _______________

9.__CaO+ __SiO2 10.__SiO2 + __Na2CO3 11.__SiO2 +__ CaCO3

_______________

_____________ _____________

6.__ Al2O3 + __NaOH== _______________ 7.__Al(OH)3 + __HCl== _______________ 8.__Al(OH)3 + __NaOH== _______________ 9.__Al(OH)3(Fe(OH)3、Cu(OH)2类似)10.__AlCl3 + __NH3·H2O= _______________ 11.__NaAlO2+__HCl+__H2O= ______________

12.__Na2SiO3 +__HCl= _______________ 13.__Na2SiO3 +__H2O +__CO2== ___________

§5氮族元素(19分)

1.NH3 + H2O NH3·H2ONH4

12.__CO2+__NaAlO2+__H2O= _____________

+OH

13.__NaAlO+__AlCl+__HO= _____________

2.__NH3 + O2

_______________

3.__N2

+ __Mg

_______________

4.__NH4Cl +___Ca(OH)2 _____________ 5. N2 + H2

_______________

6.__N2 +__O2

_______________

7.__NO +__O2== _______________ 8.__NO2 + __H2O == _______________ 9.__NO +__O2 +__H2O== _______________ 10.__NO2 +__O2 +__H2O == _______________ 11.__HNO3

_______________

12.__Cu+__HNO3(浓)== _______________ 13.__Cu+__HNO3(稀)=== _______________ 14.__C+__HNO3(浓) == _______________ 15.__NH4Cl _______________

16.__NH3 + __HCl== _______________

17.__NH4HCO3 _______________ 18.__NO 2

__N2O4

19.__NaOH+__ NH4Cl _______________

20.__ (NH4)2SO4 + __NaOH

_________

§6几种常见的金属(35分)

1.__Al +__ O2 2.__Al+__HCl=== 3.__Al+__H2SO4===

4.__Al + __NaOH +__H2O== 5.__Al2O3 + __HCl==

2

23214.__Fe +__ O2 _______________ 15.__Fe + __H2O

_______________

16.__Fe+__HCl=== _______________ 17.__Fe+__CuCl2=== _______________ 18.__FeCl3+__Fe=== _______________ 19.__FeCl3+__Cu=== _______________ 20.__FeCl3+__KI=== _______________ 21.__ FeCl2+__Cl2=== _______________

22.__Fe(OH)2+__ H2O+ __O2 == ____________ 23.__Fe2O3 + __HCl === _______________ 24.__Fe2O3 + __H2SO4 === _______________ 25.__H2SO3+__FeCl3+__H2O=== ___________ 26.__Al +__Cr2O3 _______________ 27.__Al + __Fe 2O3 _______________ 28.__Al +__MnO2 _______________ 29.__Mg+__CO2 _______________

30.__HgO2 _______________

31._Ag2O

_______________

32.__WO3+__H2 _______________ 33.__Al2O3 _______________ 34.__NaCl

_______________ 35.__NaOH+__FeCl3== _______________

§7其他章节

1.__FeCl3+__H2O

2.__Cu Cl2

3.__NaCl+__H2O

4.__Ba (OH)2·8 H2O+ __NH4Cl==

二、有机化学反应方程式

(写出方程式及反应类型)

1.甲烷和氯气的反应:

___________________________________________________________________

2. 乙烯实验室制法(浓硫酸作用_____、_____) ______________________________________ 3.乙烯通入溴水中:_______________________ 4. 乙烯和HBr的反应:

________________________________________ 5. 乙烯水化制乙醇

________________________________________ 6.制取聚乙烯

________________________________________ 7.乙炔的制取

______________________________________ 8. 由乙炔制聚氯乙烯

________________________________ 9. 苯与液溴反应

________________________________________ 10. 苯的硝化反应

________________________________________ 11. 苯与氢气加成生成环己烷

____________________________________ 13. 溴乙烷水解

_____________________________________ 14. 溴乙烷消去反应

______________________________________ 15. 乙醇与钠反应

_______________________________________

3

16. 乙醇催化氧化

______________________________________ 17.乙醇脱水(分子间、分子内)

________________________________________ 18. 苯酚与氢氧化钠溶液反应

________________________________________ 19. 苯酚钠溶液中通入二氧化碳

_______________________________________ 20. 苯酚的定性检验定量测定方法

________________________________________ 22. 乙醛制乙酸

________________________________________ 23. 乙醛的银镜反应

________________________________________

*甲醛的银镜反应

________________________________________ 24. 乙醛与新制氢氧化铜悬浊液

________________________________ 25. 乙酸与氢氧化铜悬浊液

_______________________________________ 26. 乙酸乙酯制取(用饱和碳酸钠溶液收集)______________________________

*27. 葡萄糖与银氨溶液的反应

________________________________________ 28. 蔗糖水解方程式

_______________________________________ 29. 麦芽糖水解方程式

________________________________________

答案:一、无机化学方程式

§1◆碱金属元素

1.2Na+2H2O===2NaOH+H2↑ 1.2Na2O2+2H2O===4NaOH+O2↑ 2. 2Na2O2+2CO2===2Na2CO3+O2

3.Na2CO3+HCl===NaHCO3+NaCl 4.NaHCO3+HCl===NaCl+H2O+CO2↑ Na2CO3+2HCl===2NaCl+H2O+CO2↑ 5.2NaHCO3 Na2CO3+ H2O+ CO2↑ 6.4Li+ O2

2 Li2O

7.NaHCO3 + NaOH== Na2CO3 + H2O 8.Na2CO3+ H2O+ CO2 = 2NaHCO3 9.2NaOH+ CO2 (少量)== Na2CO3 + H2O

10. NaOH+ CO2(多量)== NaHCO3 11.CO2+Ca(OH)2(过量)===CaCO3↓+H2O

12.2CO2(过量)+Ca(OH)2===Ca(HCO3)2 13.CaCO3+H2O+CO2=Ca(HCO3)2 14.3NaOH + FeCl3 ==== Fe(OH)3↓ + 3NaCl

§2卤族元素

1.3Cl2+2Fe2FeCl3

2.Cl2+H2O==HCl+HClO

3.Cl2+2NaOH===NaCl+NaClO+H2O

4.2Cl2+2Ca(OH)2===CaCl2+Ca(ClO)2+2H2O 5Cl2+2FeCl2===2FeCl3

6.Ca(ClO)2+H2O+CO2(少量)== CaCO3↓+2HClO

7.Ca(ClO)2+2H2O+2SO2==CaSO4↓+2HCl+H2SO4

8.2HClO2HCl+O2↑

9.2F2 +2H2O===4HF+O2 10.HCl+AgNO3===AgCl↓+HNO3 11.C+ H2O

CO + H2 (生成水煤气)

12.Br2 +2 K I ===2 K Br+I2 14.4HCl(浓)+MnO2

MnCl2+Cl2↑+2H2O 15. NaBr+AgNO3 = AgBr↓(浅黄色)+NaNO3 16.NaI + AgNO3 === AgI↓(黄色)+ Na NO3

4

17.2AgBr2Ag+Br2(AgCl、AgI类似)

18.Na2SO3+ H2O +Cl2== Na2SO4 +2HCl 19.HClO+ H2O+SO2 = H2SO4+HCl

§3氧族元素

1.Fe + SFeS 2. 2Cu + SCu2S 3.S + O2SO2

4.3O22O3 2O3

3O2

5.2H2O2 2H2O+ O2↑

7.H2S + CuSO4=CuS↓+ H2SO4

8.SO2 + H2O

H2SO3

9.SO2 + Ca(OH)2 = CaSO3↓+ H2O

10.SO2 + O2 2 SO3

11. Cl 2

+ SO2 + 2H2O=H2SO4+2HCl (Br2、I2 类似)

12.2H2S + 3O(足量)2

2H2O + 2SO2 (Cl2、Br2、I2 、SO2 都可氧化)

13.2NaCl+H2SO4(浓) Na2SO4+2HCl?

14.2H2SO4(浓)+CuCuSO4+2H2O +SO2↑

15.2H2SO4(浓) + CCO2↑+ 2H2O + 2SO2↑

16.2Na2SO3 + O2 =2Na2SO4

17.Na2SO3+H2SO4=Na2SO4+SO2?+H2O

18.Na2SO3+ H2O +Cl2== Na2SO4 +2HCl 19.SO2(少量)+2NH3+H2O===(NH4)2SO3

20.SO2+(NH4)2SO3+H2O===2NH4HSO3

即: SO2(足量)+ NH3+H2O===NH4HSO3

§4碳族元素

1.Ca(OH)2

+ CO2

==== CaCO3

↓+ H2

O 2.Ca(OH)2 + SO2 ==== CaSO3 ↓+ H2O 3.2C+ SiO2 2CO↑ + Si 4.Si +O2

SiO2

5. Si + 4HF== SiF4↑+2H2↑

6.Si+2NaOH+ H2O= Na2SiO3+2H2↑

7.SiO2+2NaOH ===Na2SiO3+H2O

8. SiO2+ 4HF ===SiF4+2H2O

9.CaO+ SiO2 10.SiO2 + Na2CO3 11.SiO2 + CaCO3

CaSiO3

Na2SiO3+ CO2 CaSiO3+ CO2↑

7.Al(OH)3 + 3HCl==AlCl3 + 3H2O 8.Al(OH)3 + NaOH==NaAlO2 + 2H2O

9.2Al(OH)3

Al2O3 + 3H2O (Fe(OH)3、Cu(OH)2类似)

12.Na2SiO3 + 2HCl==2 NaCl+ H2SiO3↓ 13.Na2SiO3 ++H2O +CO2== Na2CO3 + H2SiO3↓

§5氮族元素

1.NH3 + H2O NH3·H2O

NH4

10.AlCl3 + 3NH3·H2O=Al(OH)3↓+3NH4Cl

11.NaAlO2+HCl+H2O=NaCl+Al(OH)3↓ 12.CO2+2NaAlO2+3H2O=2Al(OH)3↓+Na2CO3

13.3NaAlO2+AlCl3+6H2O=4Al(OH)3↓+ 3 NaCl

+OH 14.AlCl3+3NH3·H2O===Al(OH)3↓+3NH4Cl

2.4NH3 + 5O2 4NO + 6H2O

3.

N2 + 3Mg

Mg3N2

4.2NH4Cl+Ca(OH)2CaCl2+ 2NH3↑+2H2O

5.N2+3H2 2NH3 6.N2 + O2

2NO

7. 2NO + O2== 2NO2

8.3NO2 + H2O ==2HNO3 + NO 9.4NO + 3O2 + 2H2O==4HNO3

10.4NO2 + O2 + 2H2O ==4HNO3 11.4HNO3

4NO2↑+ O2↑+ 2H2O

12.Cu+4HNO3(浓)== Cu(NO3)2 +2NO2↑+2H2O 13.3Cu+8HNO3(稀)=3Cu(NO3)2 +2NO↑+4H2O

14.C+4HNO3(浓) ==CO2↑+4NO2↑+2H2O 15.NH4Cl

NH3+HCl

16.NH3 + HCl==NH4Cl (白烟) 17.NH4HCO3 NH3↑+ H2O +CO2↑ 18.2NO 2

N2O4

19.NaOH+ NH4Cl

NaCl+NH3↑+H2O

20.(NH4)2SO4 + 2NaOH

Na2SO4 +2 NH3↑+2H2O

§6几种常见的金属

1.4Al + 3O2

2Al2O3 2.2Al+6HCl===2AlCl3+3H2↑

3.2Al+3H2SO4===Al2(SO4)3+3H2↑ 4.2Al + 2NaOH +2H2O==2NaAlO2 + 3H2↑ 5.Al2O3 + 6HCl==2AlCl3+ 3H2O 6.Al2O3 + 2NaOH==2NaAlO2 + H2O

5

15.3Fe + 4H2O

Fe3O4 + 4H2↑

16.Fe+2HCl===FeCl2+H2↑

17.Fe+CuCl2===FeCl2+Cu

18.2FeCl 3+Fe===3FeCl2 19.2FeCl3+Cu===2FeCl2+CuCl2 (用于雕刻铜线路版)

20.2FeCl3+2KI===2FeCl2+2KCl+I2↓ 21. 2FeCl2+Cl2===2FeCl3

22.4Fe(OH)2+ 2H2O+ O2 ==4Fe(OH)3

23.Fe2O3 + 6HCl === 2FeCl3 + 3H2O

24.Fe2O3 + 3H2SO4 === Fe2(SO4)3 + 3H2O 25.H 2SO3+2FeCl3+H2O==H2SO4+2FeCl2+2HCl 26.2Al +Cr2O3 Al2O3+2Cr 27. 2Al + Fe 2O3 Al2O3+2 Fe

28.4Al +3MnO2

2Al2O3+3Mn 29.2Mg+CO 22MgO+C 30.2HgO2Hg+ O2 31.2Ag2O4 Ag+ O2

32.WO3+3H2W+3H2O 33.2Al2O3

4Al+ 3O2↑

34.2NaCl

2Na +Cl2↑ 35.3NaOH+FeCl3==Fe(OH)3↓+ 3NaCl

§7其他章节

FeCl3+3H2O Fe(OH)3(胶体) +3HCl

Cu Cl2

Cu +Cl2↑

2NaCl+2H2O

H2+Cl2↑+2NaOH

Ba (OH)2·8 H2O+ 2NH4Cl== Ba Cl2+2 NH3↑+10H2O(吸热反应)


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