The best sequence of reactions for the following conversion is

(i) 1 mol $$\text{Br}_2/\text{FeBr}_3$$ (ii) $$\text{KMnO}_4$$, heat (iii) $$\text{HNO}_3 + \text{H}_2\text{SO}_4$$

(i) $$\text{HNO}_3 + \text{H}_2\text{SO}_4$$ (ii) 1 mol $$\text{Br}_2/\text{FeBr}_3$$ (iii) $$\text{KMnO}_4$$, heat

(i) $$\text{KMnO}_4$$, heat (ii) $$\text{HNO}_3 + \text{H}_2\text{SO}_4$$ (iii) 1 mol $$\text{Br}_2/\text{FeBr}_3$$

(i) 1 mole $$\text{Br}_2/\text{FeBr}_3$$ (ii) $$\text{HNO}_3 + \text{H}_2\text{SO}_4$$ (iii) $$\text{KMnO}_4$$, heat