1、铁和硫磺:________________________________________________;
Fe+S==(加热)FeS
2、铜和硫磺:________________________________________________;
2Cu+S==(加热)Cu2S
3、硫磺和氧气:______________________________________________;
S+O2==(点燃)SO2
4、硫磺和汞:________________________________________________;
Hg+S==HgS
5、硫磺溶于热的浓氢氧化钠:________________________________________________;
3S+6NaOH==(加热)2Na2S+Na2SO3+3H2O
6、硫化氢和少量氢氧化钠:__________________________________________________;
H2S+NaOH==NaHS+H2O
7、硫化氢和足量氢氧化钠:__________________________________________________;
H2S+2NaOH==Na2S+2H2O
8、实验室制备硫化氢:_____________________________________________________;
FeS+H2SO4==FeSO4+H2S↑
9、硫酸亚铁和硫化钠:_____________________________________________________;
FeSO4+Na2S==FeS↓+Na2SO4
10、硫化氢和硫酸铜:______________________________________________________;
H2S+CuSO4==CuS↓+H2SO4
11、检验空气中是否含有硫化氢:_____________________________________________;
(硫化氢和硝酸铅)
H2S+Pb(NO3)2==PbS↓+2HNO3
12、硫化氢完全燃烧:_____________________________________________________;
2H2S+3O2==(点燃)2H2O+2SO2
13、硫化氢不完全燃烧:___________________________________________________;
2H2S+O2==(点燃)2H2O+2S
14、硫化氢在空气中被氧化:_______________________________________________;
2H2S+O2==2H2O+2S
15、硫化氢和氯气(溴水,碘水):__________________________________________;
H2S+Cl2==2HCl+S
16、硫化氢和次氯酸钠:__________________________________________________;
H2S+NaClO==NaCl+S↓+H2O
17、硫化氢和二氧化硫:__________________________________________________;
2H2S+SO2==3S+2H2O
18、硫化钠+亚硫酸钠+盐酸:______________________________________________;
2Na2S+Na2SO3+6HCl==3S↓+6NaCl+3H2O
19、二氧化硫+澄清石灰水:_______________________________________________;
SO2+Ca(OH)2==CaSO3↓+H2O
20、过量的二氧化硫+氢氧化钙:___________________________________________;
2SO2+Ca(OH)2==Ca(HSO3)2
21、盐酸+亚硫酸钙:____________________________________________________;
2HCl+CaSO3==CaCl2+SO2↑+H2O
22、实验室制二氧化硫:_________________________________________________;
Na2SO3+H2SO4(浓)==Na2SO4+SO2↑+H2O
23、二氧化硫的催化氧化:_______________________________________________;
2SO2+O2==(可逆,催化剂,加热)2SO3 +Q
24、亚硫酸钠在空气中氧化:_______________________________________________;
2Na2SO3+O2==2Na2SO4
25、二氧化硫和氯气溶于水(溴单质、碘单质):______________________________________;
SO2+Cl2+2H2O==H2SO4+2HCl
26、二氧化硫+次氯酸钠:_________________________________________________;
SO2+NaClO+H2O==H2SO4+NaCl
27、铜和浓硫酸:_________________________________________________________;
Cu+2H2SO4(浓)==(加热)CuSO4+SO2↑+2H2O
28、碳和浓硫酸:_________________________________________________________;
C+2H2SO4(浓)==(加热)CO2↑+2SO2↑+2H2O
29、胆矾和浓硫酸:______________________________________________________;
CuSO4·5H2O==(浓硫酸)CuSO4+5H2O
30、蔗糖和浓硫酸:______________________________________________________;
C12H22O11==(浓硫酸)12C+11H2O
31、碘化氢(溴化氢)和浓硫酸:________________________________________________;
2HI+H2SO4(浓)==I2+SO2+2H2O
32、硫化氢和浓硫酸:____________________________________________________;
H2S+H2SO4(浓)==S↓+SO2+2H2O
33、沸腾炉中的反应(工业制硫酸第一步):_________________________________________;
4FeS2+11O2==(煅烧)2Fe2O3+8SO2
标签: 溴水