(1) \(2KMnO_4+16HCl\rightarrow2KCl+2MnCl_2+5Cl_2+8H_2O\)
(2) \(H_2+Cl_2\underrightarrow{as}2HCl\)
(3) \(Fe+2HCl\rightarrow FeCl_2+H_2\)
(4) \(FeCl_2+2AgNO_3\rightarrow Fe\left(NO_3\right)_2+2AgCl\downarrow\)
(5) \(2AgCl\underrightarrow{as}2Ag+Cl_2\)
(6) \(Cl_2+2NaBr\rightarrow2NaCl+Br_2\)
(7) \(Br_2+2NaI\rightarrow2NaBr+I_2\)
(8) \(Zn+I_2\underrightarrow{H_2O}ZnI_2\)
(9) \(ZnI_2+2AgNO_3\rightarrow2AgI\downarrow+Zn\left(NO_3\right)_2\)
(10) \(Zn\left(NO_3\right)_2+2NaOH\rightarrow Zn\left(OH\right)_2\downarrow+2NaNO_3\)
(11) \(Zn\left(OH\right)_2+2HCl\rightarrow ZnCl_2+2H_2O\)
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