Question

HCl -> Cl2 -> FeCl3 -> NaCl -> HCl

 

Answer 1

1. 4HCl + \(MnO_2\) \(\rightarrow\)  \(MnCl_2+Cl_2\) + \(2H_2O\)

2. \(Cl_2+2FeCl_2\rightarrow2FeCl_3\)

3. \(FeCl_3+3NaOH\rightarrow Fe\left(OH\right)_3\downarrow+3NaCl\)

4.\(NaCl+H_2SO_4\underrightarrow{< 250^oC}NaHSO_4+HCl\)