Which of the following prcedure would be best for achieving the following reaction ?
A. `(i) Br_(2) + FeBr_(3)" " (ii) KMnO_(4) and Heat" " (iii) HNO_(3) and H_(2)SO_(4)`
B. `(i) KMnO_(4) and Heat " "(ii) Br_(3) + FeBr_(3) " "(iii) HNO_(3) and H_(2)SO_(4)`
C. `(i) NBS "in" C Cl_(4) and Heat " " (ii) KMnO_(4)" " (iii) HNO_(3) and H_(2)SO_(4)`
D. `(i) MBS "in" C Cl_(4) and Heat " " (ii) NaNO_(2) " " (iii) KMnO_(4) and Heat `