During titration `H_2SO_4` is preferably used over HCl and `HNO_3` to make the solution acidic because

Options

A. `H_2SO_4` is a strong oxidising agent and it reacts with `KMnO_4` during titration
B. Some `KMnO_4` is consumed during the reaction with `H_2SO_4`
C. `H_2SO_4` does not react with `KMnO_4` or the reducing agent used
D. `H_2SO_4` can turn colourless `KMnO_4` to pink at the end point

Answer

c