Why HCl not used to make the mdeium acidic in oxidation reactions of `KMnO_(4)` in acidic medium ?
A. Both HCl and `KMnO_(4)` acts as oxidising agents
B. `KMnO_(4)` oxidise HCl into `Cl_(2)` which is also an oxidising agent.
C. `KMnO_(4)` is a weaker oxidising agent thatn HCl
D. `KMnO_(4)` acts as a reducing agent in the presence of HCl.