a) MnO2+4HCl ----> Cl2+2H2O+MnCl2 --
(2)3Cl2+2Fe--> 2FeCl3 --
(3)FeCl3+3NaOH--> 3AgCl+Fe(OH)3
b) HCl+NaOH ----> NaCl+H2O --
(2)2NaCl--> Cl2+2Na --
(3)Cl2+Cu--> CuCl2
c) 2HCl+Zn ----> ZnCl2+H2 --
(2)ZnCl2+AgNO3--> AgCl+Zn(NO3)2 --
(3)2AgCl+Cu(NO3)2--> CuCl2+2AgNO3
d) 2NaCl ----> Cl2+2Na --
(2)Cl2+H2--> 2HCl --
(3)6HCl+Fe2O3--> 2FeCl3+3H2O
MnO2+HCl--->MnCl2+H2O+Cl2
Cl2+Fe-->FeCl3
FeCl3+AgNO3-->Fe(NO3)3+AgCl
b)
HCl+Na-->NaCl+H2
NaCL+H2O-->NaOH+H2+CL2
Cl2+Cu-->CuCl2
c)
HCl+Zn-->ZnCl2+H2
ZnCL2+AgNO3-->AgCl+Zn(NO3)2
2AgNO3 | + | CuCl2 | → | 2AgCl | + | Cu(NO3)2 |
d)
NaCl+H2O-->NaOH+Cl2+H2
Cl2+H2-->HCl
HCl+Fe2O3-->FeCl3+H2O
a,
\(\left(1\right)MnO_2+4HCl\rightarrow MnCl_2+Cl_2+2H_2O\)
\(\left(2\right)2Fe+3Cl_2\underrightarrow{^{to}}2FeCl_3\)
\(\left(3\right)FeCl_3+3AgNO_3\rightarrow Fe\left(NO_3\right)_3+3AgCl\)
b,
\(\left(1\right)NaOH+HCl\rightarrow NaCl+H_2O\)
\(\left(2\right)2NaCl\underrightarrow{^{đpnc}}2Na+Cl_2\)
\(\left(3\right)Cu+Cl_2\underrightarrow{^{to}}CuCl_2\)
c,
\(\left(1\right)Zn+2HCl\rightarrow ZnCl_2+H_2\)
\(\left(2\right)ZnCl_2+2AgNO_3\rightarrow Zn\left(NO_3\right)_2+2AgCl\)
d,
\(\left(1\right)2NaCl\underrightarrow{^{đpnc}}2Na+Cl_2\)
\(\left(2\right)H_2+Cl_2\underrightarrow{^{askt}}2HCl\)
\(\left(3\right)Fe_2O_3+6HCl\rightarrow2FeCl_3+3H_2O\)