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​二氧化氮溶于水(二氧化氮溶于水注射器实验现象)

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二氧化氮溶于水(二氧化氮溶于水注射器实验现象)

1、工业固氮:__________________________________________;


N2+3H2==(可逆,催化剂,高温高压)2NH3

2、大气固氮:__________________________________________;


N2+O2==(放电)2NO

3、镁在氮气中燃烧:______________________________________________;


3Mg+N2==(点燃)Mg3N2

4、氮化镁的水解:________________________________________________;


Mg3N2+6H2O==3Mg(OH)2↓+2NH3↑

5、氨气溶于水呈碱性:_________________________________________________________;


NH3+H2O==(可逆)NH3?H2O==(可逆)NH4+ + OH-

6、氨水和氯化铝:_________________________________________________________;


3NH3?H2O+AlCl3==Al(OH)3↓+3NH4Cl

7、氯化铵和氢氧化钠溶液共热:_______________________________________________;


NH4Cl+NaOH==(加热)NH3↑+H2O+NaCl

8、实验室制氨气:________________________________________________;


2NH4Cl+Ca(OH)2==(加热)CaCl2+2NH3↑+2H2O

9、氨气和氯化氢:______________________________________________;


NH3+HCl==NH4Cl 白烟

10、氨的催化氧化:___________________________________________________;


4NH3+5O2==(催化剂,加热)4NO+6H2O

11、氨气和氯气:______________________________________________________;


2NH3+3Cl2==N2+6HCl

12、过量氨气和氯气:______________________________________________________;


8NH3+3Cl2==N2+6NH4Cl

13、氨气在纯氧中燃烧:____________________________________________________;


4NH3+3O2==(点燃)2N2+6H2O 注意是纯氧,空气不行

14、一氧化氮和氧气:_____________________________________________________;


2NO+O2==2NO2

15、二氧化氮溶于水:________________________________________________________;


3NO2+H2O==2HNO3+NO

16、二氧化氮双聚:________________________________________________________;


2NO2==(可逆)N2O4

17、二氧化氮和氧气一起溶于水:______________________________________________;


4NO2+O2+2H2O==4HNO3

18、浓硝酸和铜:__________________________________________________________;


Cu+4HNO3(浓)==Cu(NO3)2+2NO2↑+2H2O

19、稀硝酸和铜:___________________________________________________________;


3Cu+8HNO3==3Cu(NO3)2+2NO↑+4H2O

20、稀硝酸和铜离子方程式:_________________________________________________;


3Cu+8H++2NO3-==3Cu2++2NO↑+4H2O

21、碳和浓硝酸共热:______________________________________________________;


C+4HNO3(浓)==(加热)CO2↑+4NO2↑+2H2O

22、二氧化硫溶于稀硝酸:__________________________________________________;


3SO2+2H2O+2HNO3==3H2SO4+2NO

23、碘化钾和稀硝酸:______________________________________________________;


6KI+8HNO3==6KNO3+2NO↑+3I2+4H2O

24、硝酸亚铁和稀硝酸:____________________________________________________;


3Fe(NO3)2+4HNO3==3Fe(NO3)3+NO↑+2H2O

25、硫化氢和稀硝酸:_____________________________________________________;


3H2S+2HNO3==3S↓+2NO+4H2O

26、硝酸的不稳定:______________________________________________________;


4HNO3==(加热或者光照)4NO2↑+O2↑+2H2O

27、工业制硝酸分别是上面的反应_______、________和_________。


传统的答案是:10+14+15/17


目前高三拓展课本:10(氧化炉)


4NO+3O2+2H2O==4HNO3(收集器)


个人觉得,选择题中,两种方法都算对。大型题目中,看背景,见招拆招。

28、实验室制硝酸:______________________________________________________;


NaNO3+H2SO4(浓)==(微热)NaHSO4+HNO3↑

29、硝酸钠受热分解:____________________________________________________;


2NaNO3==(加热)2NaNO2+O2↑

30、硝酸铜受热分解:____________________________________________________;


2Cu(NO3)2==(加热)2CuO+4NO2↑+O2↑

31、硝酸银受热分解:____________________________________________________;


2AgNO3==(加热)2Ag+2NO2↑+O2↑

32、二氧化氮溶于氢氧化钠溶液:________________________________________________;


2NO2+2NaOH==NaNO3+NaNO2+H2O

33、二氧化氮和一氧化氮共溶于氢氧化钠溶液:_______________________________________;


NO2+NO+2NaOH==2NaNO2+H2O