Hóa học Hoàn thành sơ đồ phản ứng sau : FeS-> H2S -> HCL -> NaCl -> Cl2 -> FeCl3 04/10/2021 By Ariana Hoàn thành sơ đồ phản ứng sau : FeS-> H2S -> HCL -> NaCl -> Cl2 -> FeCl3
PTHH: 1) FeS+2HCl→FeCl2+H2S 2) H2S+PbCl2→PbS+2HCl 3) HCl+NaOH→NaCl+H2O 4) 2NaCl+2H2O→2NaOH+Cl2+H2 5) 3CL2+2Fe→2FeCl3 Trả lời
$FeS+2HCl\to FeCl_2+H_2S$ $CuCl_2+H_2S\to CuS+2HCl$ $NaOH+HCl\to NaCl+H_2O$ $2NaCl\buildrel{{đpnc}}\over\to 2Na+ Cl_2$ $2FeCl_2+Cl_2\to 2FeCl_3$ Trả lời
PTHH:
1) FeS+2HCl→FeCl2+H2S
2) H2S+PbCl2→PbS+2HCl
3) HCl+NaOH→NaCl+H2O
4) 2NaCl+2H2O→2NaOH+Cl2+H2
5) 3CL2+2Fe→2FeCl3
$FeS+2HCl\to FeCl_2+H_2S$
$CuCl_2+H_2S\to CuS+2HCl$
$NaOH+HCl\to NaCl+H_2O$
$2NaCl\buildrel{{đpnc}}\over\to 2Na+ Cl_2$
$2FeCl_2+Cl_2\to 2FeCl_3$