a)H2+Cl2=2HCl
HCl=H2+Cl2
2P+3Cl2=2PCl3
б)2NaCl=2Na+Cl2
2K+Cl2=2KCl
2KCl+H2SO4=K2SO4+2HCl
в)H2+Cl2=2HCl
Cu+2HCl=CuCl2+H2
CuCl2+FeSO4=CuSO4+FeCl2
FeCl2+2AgNO3=Fe(NO3)2+2AgCl
a)H2+Cl2=2HCl
HCl=H2+Cl2
2P+3Cl2=2PCl3
б)2NaCl=2Na+Cl2
2K+Cl2=2KCl
2KCl+H2SO4=K2SO4+2HCl
в)H2+Cl2=2HCl
Cu+2HCl=CuCl2+H2
CuCl2+FeSO4=CuSO4+FeCl2
FeCl2+2AgNO3=Fe(NO3)2+2AgCl