Br2 - HBr - ZnBr2 - AgBr 1/ Br2 + H2 = 2HBr 2 2HBr + Zn = ZnBr2 + H2 3 ZnBr2 +2AgCl = ZnCl2 + 2AgBr
Br2+H2=(нагрев)HBr; HBr+Zn=ZnBr2+ H2; ZnBr2+AgNO3=AgBr+Zn(NO3)2