元素化合物方程式書(shū)寫(xiě)（七）鐵銅及其化合物

2021-11-07 13:11 作者:冷雨淅 0人讀過(guò) | 我要投稿

1.工業(yè)煉鐵

設(shè)備名稱(chēng)：高爐

還原劑的產(chǎn)生： $%5Cce%7BCO2%20%2B%20C%20%5Cxlongequal%7B%E9%AB%98%E6%B8%A9%7D%202CO%7D$

還原鐵礦石（以赤鐵礦為例）： $%5Cce%7BFe2O3%20%2B%203CO%20%5Cxlongequal%7B%E9%AB%98%E6%B8%A9%7D%202Fe%20%2B%203CO2%7D$

石灰石的作用：? $%5Cce%7BCaCO3%20%5Cxlongequal%7B%E9%AB%98%E6%B8%A9%7D%20CaO%20%2B%20CO2%20%5Cuparrow%7D$

書(shū)寫(xiě)離子方程式

1. $%5Cce%7BFeCl3%7D$ 溶液腐蝕銅板

$%5Cce%7B2Fe%5E%7B3%2B%7D%20%2B%20Cu%20%3D%202Fe%5E%7B2%2B%7D%20%2B%20Cu%5E%7B2%2B%7D%7D$

2. $%5Cce%7BFeBr2%7D$ 溶液中通入少量 $%5Cce%7BCl2%7D$

$%5Cce%7B2Fe%5E%7B2%2B%7D%20%2BCl2%20%3D%202Fe%5E%7B3%2B%7D%20%2B%202Cl-%7D$

3.向 $%5Cce%7BFeBr2%7D$ 溶液中通入等物質(zhì)的量 $%5Cce%7BCl2%7D$

$%5Cce%7B2Fe%5E%7B2%2B%7D%20%2B%202Br-%20%2B%202Cl2%20%3D%202Fe%5E%7B3%2B%7D%20%2B%20Br2%20%2B%204Cl-%7D%0A$

4.向 $%5Cce%7BFeBr2%7D$ 溶液中通入過(guò)量 $%5Cce%7BCl2%7D$

$%5Cce%7B2Fe%5E%7B2%2B%7D%20%2B%204Br-%20%2B%203Cl2%20%3D%202Fe%5E%7B3%2B%7D%20%2B%202Br2%20%2B%206Cl-%7D$

5. $%5Cce%7BFeCl3%7D$ 溶液使淀粉碘化鉀試紙變藍(lán)

$%5Cce%7B2Fe%5E%7B3%2B%7D%20%2B%202I-%20%3D%202Fe%5E%7B2%2B%7D%20%2B%20I2%7D$

6. $%5Cce%7BFeCl2%7D$ 溶液加入少量酸性 $%5Cce%7BKMnO4%7D$ 溶液，若紫紅色褪去

$%5Cce%7B5Fe%5E%7B2%2B%7D%20%2B%20MnO4-%20%2B%208H%2B%20%3D%205Fe%5E%7B3%2B%7D%20%2B%20Mn%5E%7B2%2B%7D%20%2B%204H2O%7D$

7.酸化 $%5Cce%7BFeCl2%7D$ 溶液加入 $%5Cce%7BH2O2%7D$

$%5Cce%7B2Fe%5E%7B2%2B%7D%20%2B%20H2O2%20%2B%202H%2B%20%3D%202Fe%5E%7B3%2B%7D%20%2B%202H2O%7D$

8. $%5Cce%7BFeCl3%7D$ 溶液分別與少量 $%5Cce%7BZn%7D$ 粉和足量 $%5Cce%7BZn%7D$ 粉反應(yīng)

$%E5%B0%91%E9%87%8F%EF%BC%9A%5Cce%7B2Fe%5E%7B3%2B%7D%20%2B%20Zn%20%3D%202Fe%5E%7B2%2B%7D%20%2B%20Zn%5E%7B2%2B%7D%7D%20%5C%5C%20%E8%B6%B3%E9%87%8F%EF%BC%9A%5Cce%7B2Fe%5E%7B3%2B%7D%20%2B%203Zn%20%3D%202Fe%20%2B%203Zn%5E%7B2%2B%7D%7D$

9. $%5Cce%7BCu%7D$ 粉溶于稀硫酸酸化的 $%5Cce%7BH2O2%7D$ 溶液

$%5Cce%7BCu%20%2B%20H2O2%20%2B%202H%2B%20%3D%20Cu%5E%7B2%2B%7D%20%2B%202H2O%7D$

10. $%5Cce%7BFe3O4%7D$ 分別溶于稀鹽酸和氫碘酸

$%5Cce%7BFe3O4%20%2B%208H%2B%20%3D%20Fe%5E%7B3%2B%7D%20%2B%202Fe%5E%7B2%2B%7D%20%2B%204H2O%20%5C%5C%202Fe3O4%20%2B%2016H%2B%20%2B%202I-%20%3D%204Fe%5E%7B2%2B%7D%20%2B%20I2%20%2B%208H2O%7D$