Chemistry

Problem

{\text{MnO}}_2

dissolves in concentrated HCl to form : a.

{\text{Mn}}^{4+}

ion and

{\text{Cl}}_2

{\text{Mn}}^{2+}

ion and

{\text{Cl}}_2

[\text{MnCl}_4]^{2-}

and

{\text{Cl}}_2

d. only

[\text{MnCl}_4]^{2-}