Which of the following statement(s) is / are correct, when the reaction below balanced in acidic media. HNO2 + MnO4 ----> NO3 + Mn+2 (reaction is not balanced !) |- The number of moles of electrons that transferred in net (overall) reaction are 6 e. II- Oxidation number of nitrogen (N) is changed from +3 to +5. III- MnO4 is an oxidizing agent. Select one: O a. I and II O b. Only 11 O c. I, II and III O d. Only III O e. ll and